The effects of stress are not all psychological! So, the answer is false.
Stress can cause heart disease, high blood pressure, diabetes and obesity.
I hope this helped :D
Health and Wellness: Exercise Is Important At Any Age. ... “Even moderate physical activity, such as walking or raking leaves, can help prevent or delay age-associated conditions such as heart disease, diabetes and high blood pressure.” In addition, it's been found that exercise also may help improve memory problems.