https://www.sciencedaily.com/releases/2020/09/200925113652.htm Cocaine addiction is a chronic disorder with a high rate of relapse for which no effective treatment is currently available. Scientists recently demonstrated that two gene mutations involved in the conformation of nicotinic receptors in the brain appear to play a role in various aspects of cocaine addiction.
http://www.nature.com/scitable/topicpage/discovery-of-dna-structure-and-function-watson-397 Many people believe that American biologist James Watson and English physicist Francis Crick discovered DNA in the 1950s. In reality, this is not the case. Rather, DNA was first identified in the late 1860s by Swiss chemist Friedrich Miescher. Then, in the decades following Miescher’s discovery, other scientists–notably, Phoebus