Ben_zoosk is right.
The penis can't be trained and undergo hypertrophy in order to grow in length and girth because it does not contain any muscles. Instead, it is made up of soft tissues(corpus cavernosa and corpus cavernosum).
In response to the comment about smoking, there are many health conditions (both influence by genetics and the environment) that can negatively affect one's longevity. Certain heath conditions can make a person predisposed to being obese such as hypothyroidism and BardetBiedl syndrome which is to say that diet and exercise can only help maintain the person's weight.
The penis can't be trained and undergo hypertrophy in order to grow in length and girth because it does not contain any muscles. Instead, it is made up of soft tissues(corpus cavernosa and corpus cavernosum).
In response to the comment about smoking, there are many health conditions (both influence by genetics and the environment) that can negatively affect one's longevity. Certain heath conditions can make a person predisposed to being obese such as hypothyroidism and BardetBiedl syndrome which is to say that diet and exercise can only help maintain the person's weight.