Food & Digestion
Spicy food causes stomach ulcers.
Myth — Most ulcers are caused by bacteria or medicine, not spicy food.
Cracking your knuckles causes arthritis
Myth — There is no strong evidence that it causes arthritis.
Reading in bad light damages your eyes.
Myth — It can make your eyes tired, but it doesn’t cause permanent damage.
You can sweat out toxins.
Myth — Your liver and kidneys remove toxins, not sweat.
Eating carrots improves your eyesight a lot.
Myth — They’re good for eye health, but they won’t give you “super vision”.
Your hair and nails keep growing after you die.
Myth — The skin dries and shrinks, which makes it look like they grow.
The brain is very active when you are sleeping.
Fact — Especially during dreams.
Your heart rate and breathing change when you are stressed, even if you don’t notice.
Fact
You digest food faster or slower depending on what you eat.
Fact — Some foods are digested much more slowly than others.
Your body temperature is not exactly 37°C all the time.
Fact — It changes during the day and from person to person.
Alcohol helps you sleep better.
Myth — It usually makes sleep worse and less restful.
Muscle turns into fat if you stop exercising.
Myth — Muscle and fat are different tissues.
Drinking coffee dehydrates you.
Myth — It can make you go to the toilet more, but it still hydrates you.
You can “catch a cold” from being cold or wet.
Myth — You catch colds from viruses, not from temperature.
You can “catch up” on lost sleep at the weekend.
Myth — You can recover a little, but not completely.
Lactic acid is what causes muscle pain the day after exercise.
Myth — The pain is mainly from small muscle damage, not lactic acid.
If you swallow chewing gum, it stays in your stomach for 7 years.
Myth — It usually passes through your body in a few days.
We only use 10% of our brain.
Myth — We use almost all parts of the brain.
If you wake someone up while they are sleepwalking, it is dangerous.
Myth — It’s not dangerous, but they may be confused or scared.
Stretching before exercise always can help prevent injuries.
Fact