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.
Most people sweat when they exercise or exert themselves, are in a hot environment, or are nervous, anxious or under stress. The excessive sweating experienced with hyperhidrosis far exceeds such normal sweating. The type of hyperhidrosis that usually affects the hands, feet, underarms or face causes at least one episode a week, during waking hours. And the sweating usually occurs on both sides of the body.