Wild science alert: Nearly all of us carry a virus from childhood (BKPyV) that just chills in our kidneys for decades. But when it randomly wakes up, your immune system’s attempt to fight it can actually damage your bladder cells’ DNA—raising your risk for bladder cancer years later. The virus itself disappears, but the DNA damage sticks around. Scientists think a vaccine or antiviral could someday prevent a ton of bladder cancers. Who knew a childhood bug could haunt you like this? #Health #BodyHealth #HealthNews