Which describes tobacco use among teens in the united states? more than two out of three teens smoke. fewer than one out of four teens smoke. starting to smoke in your teens makes it easier to quit later. a growing majority of teens chooses to smoke.

In which way does nicotine cause addiction? by stimulating the brain's pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety

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.

If you or someone you know may have a mental disorder, it's important to discuss this concern with a trusted adult. t or f