Imagine that you are part of a study that measures your heart rate and breathing throughout the day. for the most part, your heart rate and breathing only changes when you exercise or are very excited. however, it seems like every time you visit the researcher to get your equipment updated, your heart rate and breathing spike for seemingly no reason. this phenomenon is referred to as:

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.

How could you find out if that advice is based in scientific evidence?

Calculate alex’s tee. alex has a bmr of 1,300 calories and he exercises lightly. his tee is .