What’s one nutrient deficiency that men can easily correct

Magnesium. Surveys reveal that men consume about 80 percent of the recommended 400 milligrams a day, which is a serious shame, because this lightweight mineral is a tireless multitasker: It’s involved in more than 300 bodily processes, including muscle function. Plus, a study in the Journal of the American College of Nutrition found that low levels of magnesium may increase your blood levels of vitamin C-reactive protein, a key marker of heart disease. “We’re just barely getting by,”