Which statement describes the two broad categories used to categorize aging theories?

Which statement describes the two broad categories used to categorize aging theories?

• A. Genetic and wear-and-tear
• B. Hormonal and metabolic
• C. Social and cultural
• D. Psychological and cognitive

Answer: (A)

Aging theories are commonly grouped into two broad camps: genetic (or programmed) theories and wear-and-tear (or damage-based) theories. Genetic theories propose that aging is largely driven by the body's biological clock, with aging processes guided by genes, telomere shortening, hormonal signaling, and immune system changes. Wear-and-tear theories argue that aging results from cumulative, unrepaired damage to cells and tissues caused by metabolism, environmental stress, free radicals, and other damaging factors over time. This framing best fits the stated option because it captures the main division between an inherited, programmed aspect of aging and a damage-accumulation perspective. The other choices describe specific mechanisms or domains (hormonal/metabolic) or social/psychological aspects, which are not the primary two-way classification used for aging theories.

Aging theories are commonly grouped into two broad camps: genetic (or programmed) theories and wear-and-tear (or damage-based) theories. Genetic theories propose that aging is largely driven by the body's biological clock, with aging processes guided by genes, telomere shortening, hormonal signaling, and immune system changes. Wear-and-tear theories argue that aging results from cumulative, unrepaired damage to cells and tissues caused by metabolism, environmental stress, free radicals, and other damaging factors over time.

This framing best fits the stated option because it captures the main division between an inherited, programmed aspect of aging and a damage-accumulation perspective. The other choices describe specific mechanisms or domains (hormonal/metabolic) or social/psychological aspects, which are not the primary two-way classification used for aging theories.