Have you ever wondered why hot water can ease a poison ivy itch or the itch of a mosquito bite? We think it's all about TRP. We think TRP might explain why Vicks VapoRub might also work.
What do you do for mosquito bites or poison ivy? Ever heard of hot water for itches? It's an old home remedy and it goes back to at least the 1960s. We have an explanation for how it works.