11. Which of the following may cause your hair to fall out by the fistful?

A. A medical condition like lupus, a thyroid disorder, or a recent high fever or case of the flu.
B. A fungal infection on the scalp.
C. Tight hairstyles (braids, extensions, cornrows, ponytails).
D. Hormonal shifts caused by pregnancy, changes in birth-control–pill use, or menopause.
E. All of the above and more.

12. What percentage of your diet should fat make up?

A. About 10 percent of your daily calories.
B. About 20 percent of your daily calories.
C. About 30 percent of your daily calories.
D. About 40 percent of your daily calories.
E. There is no recommended amount of fat; you should strive to eat as little of it as possible.

13. How much exercise do you really need?

A. 45 minutes twice a week.
B. 30 minutes three or four days a week.
C. 60 minutes at least three or four days a week.
D. 30 minutes at least four or five days a week.
E. It depends on your age and overall physical-fitness level.

14. Since sunscreen-awareness campaigns began, have skin-cancer rates decreased?

A. Yes, fewer people are getting skin cancer.
B. No, skin-cancer rates and deaths from the disease are on the upswing.
C. No, skin cancer is on the rise, but fatalities are down.
D. Skin-cancer rates have been stable over the past decade.
E. Yes, but only among older women.

15. Do women have more headaches than men?

A. No, they get equal numbers.
B. Yes, but not that many more.
C. Yes, and the headaches are more severe.
D. Yes, but men tend to get more painful kinds that last longer.
E. None of the above.