Exercise leads to more efficient energy production and a lower production of age accelerating free radicals in our cells. Diabetes causes excessive exposure to glucose and, when uncontrolled results in the earlier onset of age-related problems. Charring food can change proteins and amino acids into carcinogens. High protein diets, and the combination of a high fat and protein diet, have been associated with increased risk of many types of cancer. A number of air pollutants are potent causes of cancer and contain oxidants that accelerate aging.
Excessive alcohol is toxic.
Viruses such as HIV and others that are transmitted by risky behavior not only cause AIDS but also various cancers including lymphoma. The association between sun exposure and accelerated skin aging is clear. Extended family cohesiveness and frequent contact is a notable feature of centenarian families. Centenarians shed emotional stress exceptionally well. Obesity is associated with inefficient energy production.