I'm interested in which biological systems or hormones are involved in the following phenomenon: Before sleep it may be difficult to find a comfortable position, and muscular aches and pains are more ...
First off, I don't know if this is a normal healthy thing to occur. There have been many times where I have an itch on say my arm and I scratch it, only to feel the scratching elsewhere on my body. I ...
Give the same stimulus and aside from cultural, nature vs. nurture debates, would pain be perceived equally between the sexes? Do both sexes, at the level of the brain, feel the same median range of ...