I would say hat now is the perfect time because peak bone mass happens at our age. Bone strengthening exercises are always good for your body no matter what, so encourage her/him to do it. I'm guessing the age is about 11-18 maybe...
Hope this helps... mark as Brainliest plz
What you have on the bottom for your question should be the correct answers for each. Was that not right?
The term you are looking for is glass cliff
