In a recent review in Food Science & Nutrition, researchers summarize current medical knowledge regarding the role of fruits, vegetables, spices, animal products, and other foods in strengthening the immune system. The human immune system protects the body ...

In addition to strengthening the muscles, lungs, and heart, regular physical exercise also strengthens the immune system. This finding comes from a study of older adults with a history of endurance training,

This article is part of a series on recent advances in the science and medicine of longevity. Our immune system weakens as we age, leaving us more vulnerable to infections, diseases, and tumors. New research has uncovered a key molecule that seems capable ...

Without antibiotics, getting an infection would generally be a much scarier threat. But there is such a thing as taking too many. We asked Arik Alper, MD, a pediatric gastroenterologist at Yale Medicine, if antibiotics weaken your immune system — and how ...