The relationship between substance
abuse and nutrition is not well understood. Alcoholism and drug addiction is
likely a combination of genetic and environmental factors. While certain
physiological markers such as family history or blood enzyme levels (objective
data) can be used to determine risk factors for alcoholism/addiction, the role
of environmental and behavioral influences (subjective) are more difficult to
evaluate. An individual with a genetic predisposition to substance abuse may
not develop alcohol or drug dependence, while someone without a family history
may slide into a cycle of abuse. Physical health and nutrition is similarly
complex, influenced both by genetics and the environment. Many individuals with
a family history of obesity, diabetes, and hypertension do not develop these
chronic diseases, while others without a known genetic link develop these
conditions secondary to dietary intake or other factors.
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