Effect of sarcopenia, subcutaneous adipose tissue and abdominal visceral fat on mortality risk of community-dwelling older adults: a Brazilian cohort study

Researchers followed older adults living independently in Brazil and measured their muscle and body fat using medical scans. They looked for sarcopenia, meaning age-related loss of muscle strength and size, along with fat under the skin and fat around the organs. Over the follow-up period, people with sarcopenia had a higher risk of dying. The amounts of fat under the skin or around the organs did not clearly predict death after other factors were considered. Because this was an observational study, it cannot prove that muscle loss caused the deaths.

What this means for you: This supports protecting muscle through regular activity and adequate nutrition, but it does not prove that buying a supplement or losing belly fat will extend life. The findings came from one Brazilian cohort and need confirmation elsewhere.