A new study reveals how aging changes the immune system in complex ways and identifies potential targets for healthier aging. Why does immunity weaken with age, and does that decline happen the same way throughout the body? Researchers at USC approached that question by looking across the body rather than focusing on a single organ. [...]

A new study suggests the secret to healthier aging may not be eating less but eating the right balance of protein and amino acids. Could healthier aging depend less on cutting calories and more on getting the right balance of protein and amino acids? A new USC study, published in Cell Metabolism, suggests that possibility. [...]