How much do nonsmokers increase their risk of developing heart disease by exposing themselves to secondhand smoke at home or work?

15 to 20 percent

20 to 25 percent

25 to 30 percent

30 to 35 percent

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.

Stuart runs with his brother each morning, and they can only speak one or two words at a time between multiple deep breaths. which best describes their heart rates during this activity? low moderate vigorous dangerous

What if you were not responsible for planning the menu, and you noticed that the portions provided were often very large? what resource(s) could you use to understand the appropriate portion sizes for children? a. national and state health standards b. cooking course c. ask parents d. ask the school nurse and guidance counselor