According to most biological theories of aging,predisposing factors create the affects seen in aging.Which behaviors are considered predisposing factors regarding aging? Select all that apply.

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One method of classifying biologic theories of aging relates to categorizing predisposing factors as intrinsic or extrinsic to the organism.Intrinsic or genetic theories focus on the process of aging as internal to the organism.Certain genetic diseases,including several types of cancers and high-cholesterol syndromes that lead to heart disease,have a negative impact on life expectancy.Extrinsic or nongenetic theories propose that aging occurs as a result of environmental factors that act on the organism,such as radiation,ozone,drugs,and toxic substances which,researchers have theorized,damage cellular structures,thereby leading to aging and death.Diet and exercise are not considered either intrinsic or extrinsic factors to biological theories of aging.

According to Most Biological Theories of Aging,predisposing Factors Create the Affects