Sport requires building your body in the best possible shape to effectively use its abilities for the specific activities. In that regards, health science is very important for professional sportsmen to prevent injuries and numerous issues related to muscles and diet, required to maintain healthy balance and optimize performance of the sportsmen. By applying the knowledge acquired about human’s body by health science through series of experiments and historical data, sportsmen can optimize their diet and at the same time avoid any negative effects of excluding certain ingredients from their daily ration (Peat 2001, p. 15).
Given the subjective nature of psychiatric diagnosis, determining the tipping point for mental illness is trickier than for purely physical conditions. Here the influence of drugs has been decisive. The introduction of relatively safe and effective psychotropic drugs like fluoxetine (Prozac, manufactured by Lilly), which can treat a range of psychiatric symptoms with few side effects, has increased the rate of diagnosis for many of the milder mood and anxiety disorders. There is no such thing as real depression, Kessler says. The question is: are the symptoms clinically significant enough to treat? The answer depends on whether we have a clinically effective way of treating it.