|
|
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.