You may go to the gym for an hour daily but you may have seen some people sweating it out for hours hogging the machine without letting anyone else use it. Pure dedication? Probably. But are they ruining their health by overdoing it? Yes! Fitness expert Mamtaa Joshi explains why too much exercising is actually bad for your health. Is there a thing like 'too much exercise'? Anything in excess can be bad for you even if the said thing is good for you. Thus it is important to realise when to stop. Same is the case with exercising and