How can sweat gland surgery affect so many parts of the body?
Though it is often presented that way, ETS is not sweat gland surgery. It is surgery designed to kill part of the sympathetic chain of ganglia. The same nerves which run to the sweat glands are all bundled together with nerves that run to the heart, lungs, blood vessels, thyroid gland, bone, bone marrow, and many other organs, glands and muscles.