20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Our brains have a negativity bias and will remember bad memories more than good ones.
15
One or two alcohol drinks a day can be anti-inflammatory.
75
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Every cigarette smoked cuts at least five minutes of life on average, which is roughly the time it takes to smoke one cigarette.
118