Cocaine is a very addictive and a naturally developing pain blocker, or anesthetic. Fast facts on cocaine Here are some fast facts about cocaine. Cocaine can be injected, smoked, or snorted Crack is another type of cocaine Long-term use increases the possibility of heart disease It can produce changes to the configuration of the brain Effects Cocaine has a very dominant stimulating effect on the nervous system. It increases levels of dopamine, a neurotransmitter associated…