Only 1% of bacteria cause disease.
45
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
It takes about 20 seconds for a red blood cell to circle the whole body.
102
One or two alcohol drinks a day can be anti-inflammatory.
75
A woman's sense of smell is most sensitive during ovulation.
34
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57
When you take a step, you are using up to 200 muscles.
886