How should you use health information to make decisions about your health ?

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.

Which factors influence how drinking and binge drinking affect a person? check all that apply. the person’s body size the time of day the person’s gender medications the person has taken whether the person drinks hard liquor or beer

The first step in treating water from a river or lake is usually