The "diseases of affluence," as they are known, include diabetes, heart disease, arthritis, osteoporosis and cancer, and are sometimes referred to as the "Western disease" paradigm. They emerge largely in response to the type of overnourishment that occurs in relatively wealthy societies, and particularly the overconsumption of certain biologically incompatible foods that have become the nutritional centerpiece of agrarian and largely grain-based cultures.
Just because you inherited some "bad genes" from your parents and grandparents, doesn't mean you are doomed to suffer their diseases. A healthy diet, including olive oil, can modulate the effect of these genes.
Garlic is widely used as a spice, but few realize how powerful a healing agent it is for cardiovascular disease, the #1 cause of death in industrialized societies.