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 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 at all or as minor medical conditions relative to others. It is sometimes intended as a pejorative, bearing the implication that the scarce medical research resources allocated to develop such drugs were spent frivolously when they could have been better spent researching cures for more serious medical conditions. Proponents, however, point out that improving the patient's subjective quality of life has always been a primary