A Harvard Dr has listed the best exercises for your body and running is not one of the them! He believes swimming is best overall, but closely followed by Tai Chi at number 2. The great advantage with Tai Chi is don’t have access to a pool, or don’t like swimming. Of course you can also do Tai Chi almost asnywhere.
There was a very interesting article released at the begging of the week saying that it is never too late to start exercising. That if you begin exercising in your 30s, 40s and 50s it can have the same beneficial effects as if you had been fit and exercising all your life. Sadly, I cannot find it, despite much googling!
Flexibility, aerobic conditioning and to a certain extent aerobic conditioning can by doing Tai Chi.
“Muscle strength. Tai Chi can improve both lower-body strength and upper-body strength. When practiced regularly, tai chi can be comparable to resistance training and brisk walking”, said the Harvard Medical review.