A centenarian is a person who has attained the age of 100 years or more.
Much rarer, a supercentenarian is a person who has lived to the age of 110 or more.
Many notable and famous individuals have become centenarians. They include the following:
... ethical constraints.
Side effects from real treatment. Anti-cancer drugs and radical surgery can have very distressing side effects. Illegitimate treatments, e.g. ...