11.   A healthy adult might be better off choosing a plan with a low monthly premium and paying slightly higher bills for those rare trips to the doctor.

12.   But for certain groups, eating raw food like meat, fish or eggs is much riskier than it is for a healthy adult.

13.   But there is scant evidence that gingko biloba helps healthy adults.

14.   D. Nasal Spray Vaccine Reduces Flu Severity A nasal-spray flu inoculation may help prevent severe cases of the flu among healthy adults.

15.   Despite increasing numbers and marketing clout, singles sometimes find themselves outside the cultural loop in a society that considers marriage the natural state for healthy adults.

16.   Even healthy adults can get sick from these food-borne illnesses, but they are less likely to end up in the hospital.

17.   Even the CDC has scheduled a two-tier vaccination campaign, one this month for older and high-risk employees and one in December for healthy adults.

18.   Healthy adults usually recover from the illness, but children and the elderly are at grave risk.

19.   Healthy adults also are susceptible to lung irritation when they are exercising.

20.   Healthy adults can walk faster.