muscle
6 stories tagged "muscle"
Hard Intervals Held the Lean Mass That Gentle Cardio Lost. The Researchers Say Don't Oversell It.
Treadmill intervals held onto lean mass in healthy older adults while steady moderate cardio chipped away at it. The researchers' own verdict on the difference: small, and not clinically meaningful once you account for the wobble in a body scan.
Nutrition & FoodMRI Found Fat Marbled Inside the Thigh Muscles of Heavy Ultra-Processed Eaters, and Calories Didn't Explain It
MRI scans of 615 adults found more fat marbled inside the thigh muscle the more ultra-processed food people ate, and the link held after adjustment for calorie intake, exercise, and fat intake.
Metabolic & WeightBerkeley Dusted Off a Shelved 1970s Fat Compound That Burns Energy Instead of Appetite, and in Mice It Spared the Muscle
GLP-1 drugs quiet your appetite, and along with the fat they can pull out a real chunk of muscle. A shelved acetyl-CoA carboxylase inhibitor from the 1970s went after the other lever, energy burned, and in obese mice it left the lean mass alone.
Metabolic & WeightSwitch Off One Protein Called Mitch, and Cells Start Eating Their Own Fat
Women with obesity carry more of it. Disable it in mice and they turn lean and muscular at once, the opposite of what the injectable weight-loss drugs do to your body.
Nutrition & FoodThey Call It Aging. Sometimes It's a Vitamin Your Doctor Forgot to Check.
New Cornell research explains how B12 deficiency starves muscle of energy, and why the standard test your doctor orders can call the problem aging.
Nutrition & FoodThe Protein Numbers on the Government Charts Were Never Meant to Help You Thrive
A new Frontiers in Nutrition perspective argues official protein and exercise guidelines were built to prevent deficiency, not to maximize healthspan, and that older adults in particular need far more.