Health Explained Simply
Human body, medicine, and wellness
127 explanations
What is tinnitus?
Tinnitus is when you hear a sound, like ringing or buzzing, in your ears even when there is no actual sound around you...
Sex
Sex in English can mean whether you're a boy or a girl, or how babies are made. Think of it like this: Imagine you're...
Is "man flu" a real biological thing, or just a stereotype?
"Man flu" is not a real biological thing where men get a stronger version of the virus; it is mostly a stereotype about...
What is cognitive dissonance?
Cognitive dissonance is the uncomfortable feeling you get when you hold two conflicting beliefs or your actions don't...
What is OCD?
OCD, or Obsessive-Compulsive Disorder, is when your brain gets stuck on certain thoughts and makes you do things over...
How does mRNA fight germs?
mRNA doesn't directly fight germs; it teaches our body how to make tools to fight them. Imagine your body is like a...
What does dyspnea on exertion mean?
Imagine you're playing tag. Normally, you can run around for a while before getting tired, right? Dyspnea on exertion...
What is cortisol?
Cortisol is like your body's built-in alarm system, helping you deal with stress. Imagine you're a little kid playing...
Why does coffee make you poop?
Coffee makes you poop because it gets your tummy muscles moving! Imagine your tummy is like a long, squishy slide for...
What is the difference between a cold and the flu
A cold is like a small, annoying bug bite, while the flu is like getting hit by a small car. Imagine your body is a...
What is imposter syndrome?
Imposter syndrome is when you feel like a fake, even when you're really good at something. Imagine you're playing a...
What is ADHD?
ADHD means your brain works a little differently, making it tricky to pay attention, sit still, or wait your turn...
Why do we have wisdom teeth?
We have wisdom teeth because a long, long time ago, our ancestors had bigger jaws that needed extra teeth to chew tough...
What is the placebo effect?
The placebo effect is when you feel better just because you think you're getting real medicine, even if you're not...
what is lupus
Lupus is when your body's own superhero team, your immune system, gets confused and starts attacking healthy parts of...
What diseases could CRISPR help cure?
CRISPR could help cure diseases where something is broken in our body's instructions, like a typo in a cookbook...
why does my eye twitch
Your eye twitches because the tiny muscle around your eye is getting a little extra excited. Think of your eye muscle...
Why do I wake up at 3am?
Imagine your body has a special clock inside, called your circadian rhythm. This clock helps you feel sleepy at night...
What is BPC-157?
BPC-157 is like a super-glue for your body's LEGO bricks when they get broken. Imagine your body is built with LEGO...
What is gout?
Gout is a type of arthritis that happens when too much of a substance called uric acid builds up in your body and forms...