Pretty positive this is false, hope this helps!
Running and aerobics are bone-strengthening activities that
Lea may incorporate in her current plan. However, the kind of bone-strengthening
activities that should be done depends on the stage of development. For
children, adolescents and young adults, vigorous activities may be done because
it is the stage for building strong bones. On the other hand, adults aged 35
onwards have the tendency to have brittle bones or natural bone loss,
Well nvm but i think she should increase her interest in exercise