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.
Hyperhidrosis mainly involves eccrine sweat glands. In normal sweating, eccrine glands release enough sweat to maintain normal body temperature. In hyperhidrosis, the sweat glands produce three to four times more sweat than the body actually needs. People with hyperhidrosis may be afraid to shake hands with others, or may shy away from social situations entirely because they sweat so much.