There isn't just one. There may not be just one nerve that brings heart pain to the brain. This is why people describe their heart attack symptoms so differently. Some people get nausea, sweating and a sense of "just not feeling right, " while others get the more classic chest and arm pain. Others may get extreme heaviness in the chest and shortness of breath. Thi suggests that different nerve pathways can be involved.
Heart pain. The heart doesn't have pain fibers. The various symptoms associated with 'heart pain' come from lung, GI tract, skeletal muscle and other structures. As such there isn't just one pathway involved in cardiac symptoms.
What evidence exists on short- and long-term negative effects of GHB (street name g) on the central nervous system, heart, liver or other major organ?
GHB. Great supplement, now federally illegal, and known as the "date rape" drug. Had great potential, increased HGH production during sleep, helped with insomnia, but was abused when combined with etoh leading to amnesia. It is now federally illegal in the U.S., and unless you have a way around felony convictions i would sincerely advise you steer clear of any black market source. Read more...
What evidene exists on short-term cocaine use on the cardiovasulature, heart, brain blood supply, or the central nervous system? Is damage reversible?
Not always. Cocaine can be associated with cardiac arrhythmias that cause sudden death, which last i heard isn't reversible outside of the health care system. This is especially true when Cocaine is used with alcohol. Other kinds of damage take chronic use, and there is some reversibility if people stop in time. It can cause cardiomyopathy, a scarring, which is not reversible. It also can cause stroke. Read more...