People who don't regularly exercise may lose up to 80% of their muscle strength by age 65.
there have lot of benefit for fitness fact  for men health  
Yes. you are correct. Help you control your weight. ... Reduce your risk of heart diseases
as  much as i know it  has mixed i  mean combination of two or  three problem can create  
really what are there?
it can causes of diabetes and also stroke .  
No, no chance anyway. Help your body manage blood sugar and insulin levels. ... Help you quit smoking. ... Improve your mental health and mood. ... Help keep your thinking, learning, and judgment skills sharp as you age.
i also thinkso exercise really  can control weight.
Yes. Exercise can definitly control weight
I think some things all people  should  know about  exercise .
People who don't regularly exercise may lose up to 80% of their muscle strength by age 65. Regular exercise has been shown to help lower blood pressure and cholesterol levels, two major risk factors for heart disease. Not only is exercise good for your body, but it can also improve mental functioning and mood.