In spite of the title,this article will really be on how not to grow old,which,at my time of life,is a much more important subject.My firstadvice would be to choose your ancestors carefully.Although both myparents died young,I have done well in this respect as regards my other an-cestors.My maternal grandfather,it is true,was cut off in the flower of hisyouth at the age of sixty-seven,but my other three grandparents all lived tobe over eighty.Of remoter ancestors I can only discover one who did not live toa great age,and he died of a disease which is now rare,namely,having his In spite of the title, this article will really be on how not grow old, which, at my time of life, is a much more important subject.My firstadvice would be to choose your ancestors carefully.Although both myparents died young,I Have done well in this respect as regards my other an-cestors.My maternal grandfather,it is true,was cut off in the flower of hisyouth at the age of sixty-seven,but my other three grandparents all lived tobe over eighty.Of Remoter ancestors I can only discover one who did not live toa great age, and he died of a disease which is now rare,namely,having his