Ageing in the brain may be caused by a breakdown in protein production

A ribosome (centre) producing a protein (red) from mRNA. The dark purple strands represent transfer RNA, which are also involved in protein production We may have discovered a fundamental cause of cellular ageing that underlies many other ageing processes in cells. A study of the brains of freshwater fish called killifish has shown that, as … Read more

Are Protein Shakes Good for You?

Most Americans get plenty of protein. But that hasn’t hampered interest in this important macronutrient: In 2024, protein supplement sales in the U.S. increased by 9%, according to the market-research firm Statesman. A lot of that supplemental protein gets blitzed into shakes. But are protein shakes actually healthy? Benefits of protein shakes If you’re concerned … Read more

Adding extra protein to ultra-processed foods helps reduce overeating

Ultra-processed food is thought to encourage overeating Rimma Bondarenko/Shutterstock People consume fewer calories when eating high-protein ultra-processed foods than when eating other ultra-processed products. But they still tend to overeat, suggesting highly processed, protein-enriched snacks should only be consumed in moderation. Numerous studies have shown ultra-processed foods are linked with a greater risk of developing … Read more