Brain changes link menopause with higher Alzheimer’s risk. Women who’ve gone through menopause have more white matter hyperintensities — tiny dementia-linked lesions seen on scans — in their brains than premenopausal women or men of the same age, researchers found. Read more
Feds boost fall COVID vaccine supply. U.S. health officials said Wednesday they have agreed to purchase another 105 million doses of Pfizer’s COVID-19 vaccine in anticipation of a fall booster campaign. Read more
Safer roadways could save over 540,000 lives each year worldwide. Lowering speed, cutting drunk driving and upping the use of seat belts and helmets could all help, a major new report finds. Read more
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