Concerta Drug Test – Ritalin Drug Test

Amphetamines were discovered in the end of the 19th century. But it was marketed for therapeutic use only by the beginning of the 20th century when it was found that it is capable of dilating the air sacks in the lungs. It shows structural similarity to the intrinsic hormone adrenaline in our body and proves to be a boon for the people with respiratory distress especially asthma. Continue reading