Explain why a food that has more calories will give a person more energy than a food that has fewer calories. why is consuming natural sugar not necessarily any better for your body than consuming sugar from corn syrup or white sugar?

Can someone give me one specific health problem, and explain it. !

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.

Which side effect should be assesed by the nurse when administering aminophylline?