The arachnoid mater is one of the three meninges, the protective membranes that cover the brain and spinal cord.
Sweat trigger 4: Hot and spicy food. Spicy foods trigger the same receptors in your skin that respond to heat, which is why you have to dab your forehead and upper lip when you eat an extra-hot curry. The beer you drink with that curry could also make you sweat by widening blood vessels in your skin.
HomeFacial Sweating and Blushing. Another manifestation of a hyperactive sympathetic system is excessive facial sweating and/or facial blushing. Such symptoms of hyperhidrosis will typically appear during mild social encounters that would otherwise not have caused facial sweating and/or blushing.