If you want to have a career, you have to speak and act confidently. You have to be assertive. Being shy can mean being unemployed. We buy drugs at the chemist's. The secret to becoming a successful athlete is training, training, and more training.
Some athletes also take drugs and human growth hormones.
Human growth hormones are much more difficult to detect with drug tests and so they are fast replacing other banned substances. The most common means of detection is by random drug tests. They're prepared to take risks by breaking the rules. They risk everything by breaking the rules just so they can break the records. Yes, it seems that nowadays people generally are suffering from more and more allergies.