Laudanum example, the wife of the US president Abraham Lincoln, was a laudanum addict, as was the English poet Samuel Taylor Coleridge, who was famously interrupted in the middle of an opium-induced writing session of "Kubla Khan" by a "person from Porlock". Initially a working class drug, laudanum was cheaper than a bottle of gin or wine, because it was treated as a medication for legal purposes and not taxed as an alcoholic beverage. Laudanum was used in home remedies and prescriptions, as well as a single medication. For example, a 1901 medical book published for home health use gave the
Personalized medicine will work based on their genome. The personal genotype can allow physicians to have more detailed information that will guide them in their decision in treatment prescriptions, which will be more cost-effective and accurate. As quoted from the article "Pharmacogenomics: The Promise of Personalised Medicine", “therapy with the right drug at the right dose in the right patient” is a description of how personalized medicine will affect the future of treatment. For instance, tamoxifen used to be a drug commonly prescribed to women with ER+ breast cancer, but 65% of women initially taking it developed resistance. After some research by