Wild new science alert: as men age, some lose the Y chromosome in their immune cells—and it’s a big deal for heart health. Guys with major Y loss have way more clogged arteries and heart disease risk, even if they’re healthy otherwise. By 70, nearly 40% of men have this issue! Docs are now eyeing blood tests to spot Y loss early and get ahead of heart problems. Could this explain why men don’t live as long as women? #Health #BodyHealth #HeartHealth