🏥 Health & Body
The human body, wellness, medicine, and health topics.
Watch as Reels Swipe through health & body answersWhy is washing your hands with soap so effective?
Soap is effective at removing germs because it breaks apart the protective coating around bacteria and viruses, allowing them to be rinsed away with water. This...
What is an adductor muscle and what injuries can affect it?
Adductor muscles are a group of muscles in the inner thigh that pull the leg toward the center of the body. Common injuries to these muscles include strains, te...
What causes hiccups and how can you stop them?
Hiccups happen when your diaphragm, the muscle below your lungs that controls breathing, suddenly contracts involuntarily. Most hiccups stop on their own within...
What is shingles and how does it develop?
Shingles is a painful skin infection caused by the varicella-zoster virus, the same virus that causes chickenpox. It develops when the virus reactivates years a...
Why do humans have different blood types?
Humans have different blood types because of variations in proteins and sugars on the surface of red blood cells, which are inherited from parents through genes...
What are the survival rates for breast cancer diagnosed at different stages?
Breast cancer survival rates vary significantly by stage, ranging from about 99% for stage 1 to about 27% for stage 4, based on 5-year survival data. Earlier de...
What is bacterial meningitis and how does it spread?
Bacterial meningitis is a serious infection of the thin tissues that cover the brain and spinal cord. It spreads through respiratory droplets when an infected p...
Why do people blush when embarrassed?
Blushing happens when blood vessels in your face dilate and fill with blood, causing redness, usually triggered by embarrassment or social stress. This is an au...
What are the most common types of cosmetic eyelid surgery?
The most common types of cosmetic eyelid surgery are blepharoplasty (eyelid lift), which removes excess skin and fat, and ptosis repair, which lifts drooping ey...
What causes the feeling of déjà vu?
Déjà vu is the strange feeling that you have experienced something before when you actually haven't. Scientists believe it happens when your brain's memory syst...
What is breast cancer and how is it typically diagnosed?
Breast cancer is a disease where malignant cells grow in the breast tissue. It is typically diagnosed through mammograms, physical exams, biopsies, and imaging...
What are the typical recovery timelines for common basketball injuries?
Basketball injury recovery times range from a few weeks for minor sprains to several months for serious injuries like ACL tears. The exact timeline depends on t...
What is the latest update on Sarah Danh's recovery after her honeymoon emergency in Japan?
Sarah Danh is off life support, breathing on her own, and taking first steps with assistance after her liver failure emergency in Japan.
How does caffeine actually wake you up?
Caffeine wakes you up by blocking adenosine, a chemical that makes you feel sleepy, from attaching to receptors in your brain. This allows stimulating chemicals...
What medical condition did Andre the Giant have?
Andre the Giant had acromegaly, a hormonal disorder caused by excessive growth hormone that made his body grow abnormally large. This condition affected his hei...
What factors influence athlete longevity in professional basketball?
Athlete longevity in professional basketball is influenced by physical factors like injury prevention and conditioning, lifestyle choices including rest and nut...
How many hours of sleep do adults actually need?
Most adults need 7 to 9 hours of sleep per night for optimal health. Some adults may function well with 6 hours or need up to 10 hours, but 7-9 is the recommend...
Why is yawning contagious?
Yawning is contagious because of mirror neurons in the brain that make us automatically copy actions we see others doing. When you see someone yawn, your brain...
Why do fingernails keep growing?
Fingernails keep growing because the cells at the base of your nail, called the nail matrix, continuously divide and produce new nail cells. These new cells pus...
What should people know about the salmonella outbreak linked to backyard chickens in April 2026?
A multistate salmonella outbreak linked to backyard poultry has sickened 34 people across 13 states, with 13 hospitalized and no deaths reported.