Drug injection taking drugs, injection is favoured by some people as the full effects of the drug are experienced very quickly, typically in five to ten seconds. It also bypasses first-pass metabolism in the liver, resulting in higher bioavailability and efficiency for many drugs (such as morphine or diacetylmorphine/heroin; roughly two-thirds of which is destroyed in the liver when consumed orally) than oral ingestion would. The effect is that the person gets a stronger (yet shorter-acting) effect from the same amount of the drug. Drug injection is therefore often related to substance dependence. In a recreational context, the shorter, more intense "high"
Lifestyle drug of human condition has significance, in principle, as a matter for political discourse or dialogue in civil society concerning values or morals. Social critics also question the propriety of devoting huge research budgets towards creating these drugs when far more dangerous diseases like cancer and AIDS remain uncured. It is sometimes claimed that lifestyle drugs amount to little more than medically sanctioned recreational drug use. Lifestyle drug Lifestyle drug is an imprecise term commonly applied to medications which treat non–life-threatening and non-painful conditions such as baldness, wrinkles, erectile dysfunction, or acne, which the speaker perceives as either not medical problems