A woman's sense of smell is most sensitive during ovulation.
34
A person can live without food for about a month, but only about a week without water.
156
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Your heart pumps about 2,000 gallons of blood each day!
53
The male fetus is capable of attaining an erection during the last trimester.
75
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Men have larger hearts; women's hearts beat faster.
77
A human being loses an average of 40 to 100 strands of hair a day.
133