Laziness...

From the recent studies it is proved the activeness of a person is based on genes of the person from the forefathers. If as person is lazy it is due to the fact that his forefathers would be lazy and he has inherited from them...They said that a person's desire to be fit is also heridatry...

But due to medical advancement now people with low activity can be treated through drugs and genes manipulations , can reduce laziness and will become active