HEALTH NEWS   Fish oil speeds muscle recovery in aging rats, suggesting potential benefits for humans Effect of Nicotinamide Riboside Against the Exhaustion of CD8+ T Cells via Alleviating Mitochondrial Dysfunction Ultra-processed foods linked to liver disease and insulin resistance in obese children New review suggests evaluating Tibetan medicinal herb as potential treatment for mild cognitive impairment People with type 2 diabetes who eat low-carb may be able to discontinue medication Elderberry juice boosts fat burning and gut health in overweight adults