The free radical theory of aging suggests that older adults

The \"free radical\" theory of aging suggests that

older adults with conservative political views age more successfully than those who are more liberal

cell damage from chemically reactive agents causes biological aging

cognitive change is the result of damage to the cortex

sociological theories are more powerful in explaining aging than biological theories

Solution

   b.   cell damage from chemically reactive agents causes biological aging

Free radicals are highly reactive species which can damage biological molecules. According to free radical\" theory organisms age because cells accumulate free radical damage over time.