Discrimination against drug addicts that suffer with an addiction, only a few will receive treatment due to the complexity of health care systems. Most health care systems do not have insurance coverage for addiction recovery and many health care providers have little to no training in treating addiction. Some doctors do not feel comfortable treating an addiction due to their lack of knowledge and training of the topic. This is one of the reasons why drug dependence is difficult to recover from. Among injecting drug users, the incidence of HIV infection is higher than among other drug addicts, however punitive and discriminatory measures against
Drug-eluting stent drug-eluting stents to be licensed used durable coatings. The first generation coatings appear to have caused immunological reactions at times and some possibly led to thrombosis, which has driven experimentation and development of new coating approaches. The drug is mainly to inhibit neointimal growth (due to the proliferation of smooth muscle cells) that would cause restenosis. Much of the neointimal hyperplasia seems to be caused by inflammation. Hence, immunosuppressive and antiproliferative drugs are used. Sirolimus, paclitaxel, and everolimus were previously used for other medical applications and have been included in licensed DES. The first procedure to treat blocked coronary arteries