The effect of medications and their side effects depends to a great degree on our genes. The genes determine the metabolic rate of the medications, their transport into the cells and organs, their excretion from the body and their effective binding sites. To date, GenePlanet has been able to evaluate the probability of a medication producing the desired effect in your body if you are on antidepressants, lipid-lowering agents, beta blockers, anti-migraine medications. We can also tell you if Viagra will be effective. As we go along, we shall extend the list of medications and provide you with access to new data.