Okay so I have wrote down the answer for u and please don't mind my handwriting , I was just in a hurry
Developing common interests
Smoking, being physically inactive, high blood pressure
The most likely reason for death for someone born in 1900 was caused by Influenza and pneumonia. The most likely causes for death for some one born in 2006 is congenital malformations.
Genetics may cause a difference in health tendencies