How regular exercise counters age-related immune decline; When dry mouth is due to a drug side effect; Fish oil wards off heart disease and fitness forestalls dementia—even in individuals with high-risk genes; Covid vaccine uptake wanes despite ad campaigns; Prescriptions of new weight loss drugs soar—in kids! An explanation for weight rebound—adipose cells remember to hoard fat despite weight loss; How can you tell if you have fatty liver disease? Metformin even if you don’t have diabetes? A second opinion on statins
