At this point, it can feel like we already know almost everything there is to know about the human body. After all, doctors and scientists have spent centuries studying it. But the truth is, new discoveries are being made all the time, and there’s always something surprising left to learn about ourselves.
If you’re in the mood to pick up a few interesting facts today, these posts from Explaining Medicals on Instagram are a great place to start. That said, none of this is a substitute for professional advice, so always consult a doctor when it comes to any health concerns. Happy reading!
#1

Scotland became the first country to make period products free nationwide through the Period Products Act. This policy ensures access in schools, public buildings, and communities, directly addressing period poverty. It is considered a landmark public health move that reduces inequality and supports dignity for people who menstruate across all socioeconomic backgrounds.
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102points
#2

A 2017 study by Mexican researcher Eva Ramón Gallegos published in Photochemistry and Photobiology found that photodynamic therapy eliminated HPV-16 and HPV-18 in all 20 women with CIN I after one treatment session. This therapy uses a light-activated gel that selectively targets and destroys HPV-infected cervical cells. Recent 2026 reports highlight follow-up trials where 29 women achieved complete HPV clearance, following earlier 2023 results showing regression of cervical lesions without surgery. These findings suggest photodynamic therapy could become a non-invasive treatment option for high-risk HPV strains responsible for around 90% of cervical cancer cases.
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83points
#3

Cameron Underwood was given a rare second chance at life after undergoing an extraordinary face transplant, considered one of the most advanced in medical history. Traumatic injuries had severely impacted his quality of life, making everyday tasks like eating, speaking, and smiling a struggle.
Surgeons at NYU Langone performed a miraculous reconstruction of his face, utilizing donor tissue to replace his jaw, teeth, lips, nose, and parts of his cheeks and eyelids. This pioneering surgery transformed not only his appearance but also restored the essential functions he had lost.
Today, Cameron's story serves as a powerful reminder of medical progress and human resilience. The transplant has empowered him to regain his confidence and independence, and his journey is an inspiration to all.
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61points
#4

Spain has become the first country in Europe to approve paid leave for severe menstrual pain, allowing women to take up to five days off per month when symptoms become debilitating. The policy recognizes the medical condition known as dysmenorrhea, which can cause intense abdominal cramps, fatigue, nausea, and headaches that significantly affect daily functioning and productivity. Under the new law, women can take menstrual leave after an initial medical verification, without needing a doctor’s note for every episode. Employers are required to treat this leave like any other medically related absence, marking an important step toward acknowledging the biological and health impacts of menstrual cycles in the workplace.
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60points
#5

Chronic back pain can slowly take over daily life, making simple tasks like bending, sitting, or walking uncomfortable. For many people, current treatments mainly reduce pain without repairing the damaged spinal discs that cause the problem. Researchers are now exploring a promising solution: an injectable hydrogel designed to regenerate spinal disc tissue.
This advanced gel is engineered to mimic the soft, cushion-like center of spinal discs. Using a minimally invasive injection, doctors can deliver the hydrogel directly into damaged discs. Once inside, it helps restore disc height, improve hydration, and provide structural support. Some versions are also designed to carry stem cells, which may help stimulate natural tissue repair while reducing inflammation around the affected area.
Early clinical research suggests that patients may experience reduced pain and improved mobility after treatment. By targeting the underlying structural damage rather than simply masking symptoms, scientists believe this technology could eventually reduce the need for invasive procedures like spinal fusion surgery. While still under study, hydrogel-based therapies are becoming an exciting area of regenerative medicine, aiming to help the body repair itself rather than just manage pain.
References: BBC, Reuters, National Geographic, Smithsonian Magazine.
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59points
#6

Menstrual cramps, medically known as Dysmenorrhea, can cause intense lower-abdominal pain during menstruation due to strong uterine contractions that help shed the uterine lining. Medical experts have noted that the severity of this pain can sometimes reach levels comparable to the pain experienced during a Heart Attack. These contractions are triggered by hormone-like chemicals called prostaglandins, which cause the uterine muscles to tighten and can also lead to symptoms such as nausea, headaches, fatigue, lower-back pain, and dizziness.
While many people experience mild cramps, others may suffer severe pain that interferes with daily activities, highlighting how significant menstrual pain can be. Factors such as high prostaglandin levels, conditions like Endometriosis, or Uterine Fibroids can make cramps even more intense. Understanding menstrual pain as a real and sometimes severe physical condition helps promote better awareness, empathy, and proper medical care for those who experience it every month.
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51points
#7

In February 2017, Andrew Kunz, an 11-year-old from Safford, Arizona, survived a terrifying encounter with a swarm of Africanized bees. While shooting BB guns at an old car with a friend, Andrew unknowingly disturbed a hidden hive, triggering over 400 bee stings. Despite being allergic, he remained conscious by imagining himself as Vegeta from Dragon Ball Z, drawing on the character’s strength to endure the pain. A volunteer fire chief rushed into the swarm, rescuing him, and Andrew was flown to Phoenix Children’s Hospital for treatment. When asked how he stayed awake, he credited his survival to channeling his inner Vegeta, turning fear and pain into focus and resilience. This story highlights the remarkable power of mental fortitude and courage in life-threatening situations.
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50points
#8

In April, 8-year-old Brayden Auten from Wisconsin went from complaining of a seemingly mild stomach ache to facing a life-threatening medical crisis. Within days, doctors confirmed that his liver was failing, and his condition deteriorated rapidly. As his liver stopped functioning completely, his family underwent testing to see if any of them could be a donor, but unfortunately, none were compatible. With time running out, doctors urgently searched for a suitable donor to save Brayden’s life.
That’s when Cami Loritz, a nurse working in the transplant intensive care unit and personally caring for Brayden, made a courageous decision. Deeply moved by the boy’s situation, she volunteered to become a living liver donor. On May 14, she underwent surgery to donate a portion of her liver. The same day, Brayden received the transplant, giving him a second chance at life.
The procedure was a success, and Brayden’s recovery was remarkable. Months later, he reunited with Loritz, now thriving and calling her his “big sister”, a heartfelt reminder of the life-changing impact of her generosity.
Beyond saving Brayden, Loritz has used her story to raise awareness about living organ donation, inspiring others to consider stepping up to help those in critical need. Her actions illustrate that sometimes the person who can make the biggest difference is already standing close to you, demonstrating the profound connection between compassion, courage, and life-saving medical care.
That’s when Cami Loritz, a nurse working in the transplant intensive care unit and personally caring for Brayden, made a courageous decision. Deeply moved by the boy’s situation, she volunteered to become a living liver donor. On May 14, she underwent surgery to donate a portion of her liver. The same day, Brayden received the transplant, giving him a second chance at life.
The procedure was a success, and Brayden’s recovery was remarkable. Months later, he reunited with Loritz, now thriving and calling her his “big sister”, a heartfelt reminder of the life-changing impact of her generosity.
Beyond saving Brayden, Loritz has used her story to raise awareness about living organ donation, inspiring others to consider stepping up to help those in critical need. Her actions illustrate that sometimes the person who can make the biggest difference is already standing close to you, demonstrating the profound connection between compassion, courage, and life-saving medical care.
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50points
#9

Some people experience sudden chills, goosebumps, or a wave of emotion when listening to powerful music. Scientists refer to this phenomenon as Frisson, a brief emotional and physiological response triggered by certain sounds, melodies, or musical moments.
Research suggests that about 50–60% of people experience frisson. It occurs when the brain processes sound and emotion with heightened intensity, particularly in regions linked to reward and emotional processing. During these moments, the brain releases Dopamine, the same chemical associated with pleasure and motivation.
Small musical changes—such as a sudden shift in rhythm, a powerful vocal note, or a dramatic buildup—can trigger this reaction. The brain strongly connects the emotional meaning of the music with auditory signals, creating a powerful sensory experience.
In short, when music gives you chills, it isn’t just about the song itself—it’s about how your brain uniquely responds to sound and emotion.
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46points
#10

Imagine being ten years old, swimming on a summer day, when something ancient and silent grabs your leg and drags you underwater.
In May 2017, at Moss Park in Orlando, Florida, Juliana Ossa was playing in a shallow lagoon when a six- to seven-foot American alligator suddenly clamped onto her foot and pulled her beneath the surface. There were no warning signs, no dramatic buildup, just panic, pressure, and darkness in a matter of seconds.
But here’s the turn that changed everything.
Instead of thrashing, Juliana remembered something she had learned from wildlife programs. She forced her fingers into the alligator’s nostrils, blocking its airway. Instinctively, the animal opened its jaws to breathe, and in that moment, Juliana tore her leg free and swam to safety.
She survived with deep bite wounds and stitches, but she walked out alive.
What makes this story extraordinary isn’t luck. It’s presence of mind. A child, under extreme terror, accessing knowledge and using it with precision while most adults would freeze.
This wasn’t a miracle. It was preparation meeting instinct.
And maybe that’s the quiet lesson here. The things we casually learn, the facts we half-remember, the warnings we barely notice, can one day become the difference between fear and survival.
In May 2017, at Moss Park in Orlando, Florida, Juliana Ossa was playing in a shallow lagoon when a six- to seven-foot American alligator suddenly clamped onto her foot and pulled her beneath the surface. There were no warning signs, no dramatic buildup, just panic, pressure, and darkness in a matter of seconds.
But here’s the turn that changed everything.
Instead of thrashing, Juliana remembered something she had learned from wildlife programs. She forced her fingers into the alligator’s nostrils, blocking its airway. Instinctively, the animal opened its jaws to breathe, and in that moment, Juliana tore her leg free and swam to safety.
She survived with deep bite wounds and stitches, but she walked out alive.
What makes this story extraordinary isn’t luck. It’s presence of mind. A child, under extreme terror, accessing knowledge and using it with precision while most adults would freeze.
This wasn’t a miracle. It was preparation meeting instinct.
And maybe that’s the quiet lesson here. The things we casually learn, the facts we half-remember, the warnings we barely notice, can one day become the difference between fear and survival.
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43points
#11

A Brazilian patient in the terminal stage of cancer reportedly experienced a remarkable improvement after receiving an advanced experimental treatment that reprograms the patient’s own immune cells to attack tumors.
The therapy is known as CAR T-cell Therapy, a form of Immunotherapy. In this process, doctors collect the patient’s T Cells—a type of immune cell responsible for fighting infections—and genetically modify them in a laboratory. These enhanced cells are then returned to the patient’s body, where they are designed to recognize and destroy Cancer cells.
According to reports, the patient’s tumors began shrinking rapidly after treatment, with significant changes observed within weeks. While such outcomes are encouraging, researchers emphasize that these therapies are still being studied and may not work the same way for every patient.
Treatments like CAR T-cell therapy represent a new frontier in cancer care, focusing on empowering the body’s own immune system to target and eliminate malignant cells. Scientists around the world continue to study these approaches in hopes of expanding their effectiveness and availability for more patients in the future.
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39points
#12

In an extremely rare situation, doctors have reported cases where a woman becomes pregnant while already pregnant. This unusual phenomenon is known as Superfetation. It occurs when a second egg is released, fertilized, and implanted in the Uterus during an ongoing pregnancy.
Under normal circumstances, once pregnancy begins the body releases hormones that stop ovulation and prevent another fertilized egg from implanting. However, in rare cases this biological process does not fully block a second conception, allowing another embryo to develop alongside the first.
Because the embryos may begin developing at different times, they can have slightly different gestational ages while sharing the same pregnancy. Although extremely uncommon in humans, cases like these continue to intrigue doctors and researchers studying Human Reproductive Biology.
Events like this highlight how complex and sometimes unpredictable the human body can be, reminding scientists that even well-understood biological systems can still produce rare and surprising outcomes.
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36points
#13

A bond that runs deeper than looks. A mother and daughter connected by more than love, sharing a rare genetic trait that leaves a lasting impression.
Their striking white streak of hair, a result of piebaldism, is a visible symbol of their unbreakable tie. What stands out becomes the thread that weaves their legacy together.
A reminder that our differences are often the roots that bind us to our past and to each other.
Their striking white streak of hair, a result of piebaldism, is a visible symbol of their unbreakable tie. What stands out becomes the thread that weaves their legacy together.
A reminder that our differences are often the roots that bind us to our past and to each other.
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32points
#14

Nutrition research suggests that combining Tomato and Avocado may significantly increase the body’s absorption of Lycopene, a powerful antioxidant linked to reduced oxidative stress and potential protection against certain chronic diseases.
Lycopene is a fat-soluble compound, meaning it dissolves and is absorbed more effectively when consumed with dietary fats. Tomatoes naturally contain lycopene, but the body cannot absorb it efficiently without the presence of fat in the meal.
Avocados are rich in Monounsaturated Fats, which help the digestive system absorb fat-soluble nutrients like lycopene. Some nutrition studies have found that pairing tomatoes with avocado or other healthy fats can increase lycopene absorption several times compared to eating tomatoes alone.
Lycopene has been widely studied for its potential role in supporting Cardiovascular Disease prevention and reducing oxidative damage in cells. Researchers often emphasize that the nutritional value of foods is not only about individual ingredients, but also about how foods are combined within a balanced diet.
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30points
#15

Many older vaccines especially the smallpox vaccine and BCG vaccine for tuberculosis were administered using techniques that intentionally created a strong local immune reaction in the skin. Unlike modern injections placed deep into muscle tissue, these vaccines were often delivered into the upper layers of the skin using multiple needle punctures.
After vaccination, the immune system triggered inflammation at the site as white blood cells responded to the weakened or modified infectious material. This caused redness, swelling, blister formation, and eventually a scab as the body healed.
Because the skin tissue was slightly damaged during this immune response, collagen fibers and connective tissue repaired the area by forming scar tissue. The result was the characteristic circular or indented mark that many people still carry decades later.
In immunology, these visible scars are actually evidence of the body’s immune system learning to recognize and defend against dangerous infectious diseases.
The human body remembers infections and sometimes, it leaves permanent marks showing where that biological memory began.
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28points
#16

At just 19 years old, a teenager in Russia reportedly suffered severe lung failure linked to vaping — a shocking reminder of how dangerous inhaled chemicals can be to the human respiratory system.
Unlike normal air, vape aerosols contain ultrafine particles, heavy metals, nicotine, and toxic compounds capable of penetrating deep into the lungs. In severe cases, these substances can trigger intense inflammation, destroy delicate air sacs, and drastically reduce the lungs’ ability to deliver oxygen throughout the body.
Medical experts continue to warn that vaping is far from harmless. Studies have connected excessive vaping with chemical lung injury, chronic inflammation, collapsed lungs, and EVALI — a serious vaping-related lung condition that has hospitalized thousands worldwide. Young lungs are especially vulnerable because the respiratory system is still developing during adolescence and early adulthood.
The lungs contain millions of microscopic alveoli working every second to keep us alive. Once these fragile structures become damaged, recovery may be slow, difficult, or even impossible.
"One habit. One inhale. A lifetime of consequences."
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27points
#17

The uterus undergoes a remarkable transformation during pregnancy, expanding from the size of a lemon to a watermelon over 40 weeks. It grows from 3 inches long and 1 ounce to supporting a full-term baby and weighing nearly 2 pounds. This elasticity allows it to safely house a growing fetus and shrink back after birth through uterine involution, occurring within six weeks postpartum. As it grows, the uterus rises from the pelvis to above the belly button by 20 weeks. Healthcare providers track this growth using fundal height to monitor healthy development. The uterus plays a vital role in pregnancy, whether carrying one baby or multiples.
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26points
#18

The first hour after birth is not only emotional—it is also biologically important for a newborn’s development. Research on Skin-to-Skin Contact, often called Kangaroo Care, shows that placing a baby directly on a parent’s chest can help regulate several vital functions in the early moments of life.
While this practice is commonly associated with mothers, studies suggest that fathers can provide similar benefits. When newborns experience skin-to-skin contact with their fathers during the first hour after birth, researchers have observed increases in Oxytocin, sometimes referred to as the “bonding hormone.” This hormonal response is associated with stronger emotional bonding, reduced stress responses, and improved feelings of safety for the infant.
Skin-to-skin contact can also help stabilize a newborn’s heart rate, support temperature regulation, and promote calmer behavior. Some studies report that babies held this way tend to cry less and may experience longer periods of rest in the first 24 hours of life. These early interactions can play an important role in shaping early attachment and supporting the development of the Nervous System.
Researchers emphasize that these simple moments of touch and presence may contribute to early brain development and emotional regulation. While advanced medical care is essential in many cases, human connection especially immediately after birth remains one of the most powerful influences on a newborn’s early wellbeing.
This content is for educational purposes only and should not replace professional medical advice.
While this practice is commonly associated with mothers, studies suggest that fathers can provide similar benefits. When newborns experience skin-to-skin contact with their fathers during the first hour after birth, researchers have observed increases in Oxytocin, sometimes referred to as the “bonding hormone.” This hormonal response is associated with stronger emotional bonding, reduced stress responses, and improved feelings of safety for the infant.
Skin-to-skin contact can also help stabilize a newborn’s heart rate, support temperature regulation, and promote calmer behavior. Some studies report that babies held this way tend to cry less and may experience longer periods of rest in the first 24 hours of life. These early interactions can play an important role in shaping early attachment and supporting the development of the Nervous System.
Researchers emphasize that these simple moments of touch and presence may contribute to early brain development and emotional regulation. While advanced medical care is essential in many cases, human connection especially immediately after birth remains one of the most powerful influences on a newborn’s early wellbeing.
This content is for educational purposes only and should not replace professional medical advice.
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24points
#19

Researchers are developing a new type of insulin cream designed to deliver medication through the skin, potentially offering an alternative to traditional injections for people with Diabetes.
The concept relies on Transdermal Drug Delivery, a method that allows medications to pass through the skin and enter the bloodstream. Special formulations and microscopic carriers help the insulin penetrate the skin barrier so it can help regulate blood sugar levels.
Insulin plays a crucial role in controlling Glucose in the body by helping cells absorb sugar from the bloodstream. For many patients, especially those with Type 1 Diabetes, insulin injections are currently required multiple times a day to maintain healthy glucose levels.
If proven safe and effective through clinical trials, insulin creams or patches could make diabetes management less invasive and more convenient, reducing the need for frequent needle injections.
Although the technology is still under research and development, it represents a promising step toward simpler and more comfortable treatments for diabetes in the future.
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24points
#20

During pregnancy, the bodies of a mother and her baby are more connected than most people realize. Scientists have discovered that a small number of cells can pass between the mother and the developing baby through the placenta in a process known as Microchimerism.
These transferred cells may remain in the child’s body for many years—sometimes even for life. They can travel through the bloodstream and settle in different tissues, including the skin, brain, and organs.
This exchange happens through the Placenta, the organ that allows nutrients, oxygen, and biological signals to pass between the mother and fetus during pregnancy. Researchers believe these cells may play roles in immune system development and tissue repair, although scientists are still studying their full effects.
The discovery highlights how pregnancy creates a lasting biological connection between a mother and her child—showing that, in a very real scientific sense, a part of your mother may remain with you throughout your life.
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24points


