Which statement about the effects of nicotine use is true? Nicotine has no effect on brain chemistry.
Nicotine has to be used for years before there are physical effects.
Nicotine is not a mood enhancer.
Nicotine is a chemical that alters how an individual feels

What are used to respond to uncomfortable situations.

Which of the following is an argument against buying local fruits and vegetables?

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.