Older adults often experience which of the following? increased self-identity, increased sexual activity, decreased acute illness or increased productivity

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 hormone in your brain that makes you feel happy?

The frequency in wich you perform certain exercise depends on the blank of the exercise