Parkinson's disease is characterised by a loss of the chemical dopamine because some of the nerve cells that make it have died. Dopamine acts as a messenger between the parts of the brain and nervous ...

Sweating is one of the ways our bodies cool down when it is hot weather or after a burst of exercise. It can also be triggered when you are angry or stressed - and all of these are normal. However ...

Temperatures are starting to heat up this spring, which means you're no doubt sweating more than usual. That's totally normal. But excessive sweating can sometimes be an indicator that something isn't ...