Increased heart rate, higher blood pressure and dilated pupils are body changes associated with: a. narcotics b. stimulants c. hallucinogens d. all of the above

According to the article, when our sleep/wake cycle breaks down, we are at an increased risk for all but which select one: a. respiratory illnesses b. dementia c. diabetes d. heart disease

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.

What is the result of procrastination? a.having less time to work on tasks b.being able to plan your tasks more effectively c.having more energy to work on tasks d.getting tasks done promptly