Over the years, synthetic agonists of the human β2-AR seem to besaviours to asthma patients from the intermittent life-threateninghorror of the disease, however, various side effects of these drugshave been reported e.g. Salbutamol, the common asthmarelievingdrug, causes muscle tremors, palpitation, restlessness,tachycardia etc [3]. The gene discussed is ADRB2; the disease is asthma.