What causes low self esteem? What are three health concerns regarding low self esteem?

The skin includes multiples layers. which of the following is not one of the layers of the skin?

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.

Amalignant tumor that originates within glandular tissue is called