Which acts as both a physical and chemical barrier against pathogens? blood skin lymph mucus

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.

Imagine you are in your future health care work setting, what professional characteristics would you meet your work expectations?

Anorex nervosa can be prevented but it can not be treated