OverviewHere are the top medical news for today:Hip Arthritis Patients May Benefit Less From Exercise Than Previously Believed: StudyCan exercise really help hip arthritis? These proteins help gut bacteria produce more beneficial compounds while reducing harmful ones. Some of these compounds support gut health, healthy body weight, and metabolism, while others have been linked to kidney disease, cancer complications, and other health problems. https://www.nature.com/articles/s42255-026-01550-8New Review Links Blueberry and Grape Polyphenols to Improved Vascular FunctionCan blueberries and grapes help protect your heart? Polyphenols and Cardiovascular Health: Emerging Relevance for Blueberries, Grapes, and Red-Fleshed Table Grapes.