A woman's sense of smell is most sensitive during ovulation.
34
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
The human brain is more active during sleep than during the day.
28
Bearing a male child can alter a woman's brain by leaving male DNA that can persist for the rest of her life, making her less likely to suffer from Alzheimer's disease, promote tissue repair, and improve her immune system.
16
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
56
About 400 different kinds of microbes live on and in the human body.
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