12% mostly old people<:
the same ones the played in old mexico.
It depends on how old you are, how healthy you are and also how much sports you play. People who play lots of sports have better endurance than those who dont
It would depend on what you considered 'old'. This old person plays golf, walks a great deal.
as old as you want m8.
The best exercise for young people is play, including sports.
Of course they are!
You can find used sports equipment at specialty stores like play it again sports. You can also look in your local newspaper or swap sheet to see if people are selling their old sport equipment.
A four year old can play little lead soccer.