>>512831500
>if you played sports growing up or play sports now then weightlifting is probably completely unnecessary
Weightlifting and body building are not the same thing.
How many people you know have a heart attack lifting weights?
Now, the same thing, but for runners.
If you don't lift, you WILL lose strength. Might not be small, but you will be weaker.
Weight lifting in moderation is one of the healthiest things you can do as you age.