Which Is an Example of Primary Aging

changes associated with normal aging that are inevitable and caused by intrinsic biological or genetic factors. Examples include the loss of melanin, which causes gray hair, and decreased skin elasticity.

Which is the best example of primary aging?

It’s basically the notion that, like it or not, getting older is part of the natural life cycle—even the most fit among us can’t possibly live forever. Scientists associate age-related changes like vision, graying hair, and wrinkles as key examples of primary aging.

What are primary and secondary aging factors?

Primary aging, also known as normal aging, refers to the maximum lifespan of a species. This aging process is unaffected by lifestyle factors such as stress, smoking, and diet. … Secondary aging refers to the life expectancy of a population, or the amount of time an individual is expected to live.