It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The human brain has the capacity to store everything that you experience.
4k
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
A person can live without food for about a month, but only about a week without water.
156
A human being loses an average of 40 to 100 strands of hair a day.
133
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23