What are the two main categories of theories that explain aging?

The correct answer identifies two main categories of theories that explain aging: genetic and wear and tear theories. Genetic theories suggest that aging is largely determined by the DNA we inherit and involves predetermined biological processes that lead to changes in our bodies over time. This perspective emphasizes the role of genetics in lifestyles, longevity, and how specific genes may influence the aging process.

Wear and tear theories, on the other hand, focus on the idea that aging occurs due to accumulated damage to cells and tissues over time. This can be the result of various factors, including environmental stressors, lifestyle choices, and free radical damage, suggesting that the body undergoes physical decline from gradual deterioration due to usage and external influences.

Together, these theories provide a comprehensive understanding of aging. They encompass both the inherent biological factors and the accumulated effects of life's experiences, contributing to the overall complexity of the aging process.