N Theories Of Aging

In contrast to the life span of a species, which is an evolved, positively selected life-history trait analogous to a biological "warranty period," aging is a byproduct of evolution analogous to the progressive deterioration of any system that increases the likelihood of failure. Inasmuch as the concept for designing a machine is fundamentally different from the concept for understanding its deterioration, it follows that a theoretical framework for understanding life span must necessarily be different from the theoretical framework for understanding aging. Therefore, the purpose of this section is to provide a brief overview of the main theories of aging. We begin with a description of the theory concerning why all sexually reproducing organisms grow old, followed by the more conventional theories ordered hierarchically—molecular, cellular, systemic, and evolutionary.

Supplements For Diabetics

Supplements For Diabetics

All you need is a proper diet of fresh fruits and vegetables and get plenty of exercise and you'll be fine. Ever heard those words from your doctor? If that's all heshe recommends then you're missing out an important ingredient for health that he's not telling you. Fact is that you can adhere to the strictest diet, watch everything you eat and get the exercise of amarathon runner and still come down with diabetic complications. Diet, exercise and standard drug treatments simply aren't enough to help keep your diabetes under control.

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