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I remember it well: our dark winter of itch when the kids were small. It started with a note sent home—years before the pandemic—that my child had been exposed, not to a deadly virus but to lice.

It can be a relief to scratch the occasional itch, but when itch gets out of control, it can become a serious health problem. How does the body know when to stop? It can be a relief to scratch the ...

Sometimes it’s predictable when it will spring, the undeniable itch to hit the road. Maybe an old college friend found you on Facebook, and it’s not just the excitement of reconnecting that has you ...

It can be a relief to scratch the occasional itch, but when itch gets out of control, it can become a serious health problem. How does the body know when to stop? Scientists at UC San Francisco are ...