Suppose you wanted to determine whether the use of marijuana is related to car accidents. discuss the advantages and disadvantages of each research method: an experiment, a naturalistic observation, a survey, and a case study.

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 strategy is appropriate for managing stress? complain to a loved one about your responsibilities. ignore the cause of the stress. try to think positively instead of negatively. pretend you are okay even if you’re not.

In your own words write a brief paragraph about the importance of warning signs.