Protein needs shift with age and activity.

Since the 1940s, the recommended daily allowance (RDA) for protein has held steady at 0.8 grams per kilogram of body weight. By that formula, a 170-pound individual, equivalent to 77 kilograms, would ...

Aging is associated with several problems, and high on the list is progressive loss of muscle mass. On average, we start losing muscle after it peaks at age 30-35, but the process speeds up after age ...

Determine your optimal daily protein intake with our free Protein Calculator. Personalize your results based on your goals ...

When it comes to getting the most protein possible, should you grab some chicken or are you better off with beef? It turns ...

Experts say maintaining muscle after age 50 may require eating more protein than the minimum federal guideline. Most people focus on heart health and memory as they age — but experts say another ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. It is true that most ...