Best way to stay fit and full of piss and vinegar is to strength train. The earlier you start the better too. Here is a video that explains why and the benefits etc. It is actually pretty entertaining and very informative. Also everything is based off science and proof. More or less they are seeing that with strength training even just for a couple days a week for 15 minutes will make you feel like your 50 when you are 90. Also showed 75 year old's in just as good as shape as 35 year olds etc.
Strength Training & The Biomarkers of Aging
https://www.youtube.com/watch?v=NFswpRSXxjA
Strength Training & The Biomarkers of Aging
https://www.youtube.com/watch?v=NFswpRSXxjA









