By how much can wearing a helmet when riding a bicycle reduce the risk of head injury? a. 85 percent b. 10 percent c. 15 percent d. 40 percent

Drinking alcohol at a faster rate will not affect a body’s absorption of alcohol

Which of these is a sexual stereotype? a) on average, males are taller than females. b) people over the age of 60 are not interested in sex. c) male hormone levels differ from those of females. d) there are more male representatives than female representatives in congress.

Can you get chlamydia from sleeping in the same bed