1 Symptoms are due to the effects of excess acetylcholine on nicotinic and muscarinic acetylcholine receptors in the CNS, at neuromuscular junctions, and in the sympathetic, and parasympathetic nervous systems. 2  Nicotinic and muscarinic receptors have different. 3  Functions.
We're taking here about mains voltage (say 120 V or 230 V AC) power supplies with power ranging from a few Watts to several hundred Watts. Switch mode power supplies are everywhere; here are some pictures of their guts. The big high power components and small heat sinks are typical of SMPS. These devices are incredibly reliable, but being very often left powered all the time (even when their load is switched off), they still are the weak link.
Chemical/Sun Exposure. When the body is exposed to strong or excessive amount of sunlight, it can damage the top or superficial layer of the skin. It causes the skin to dry and have a burning sensation. Some chemical present in cosmetics as well as skin care products can cause the top layer of skin to peel off. This makes the skin more sensitive towards environmental factors, as well as heat, which leads to tingling and burning sensation. 8. Cutaneous Decompression Sickness