Altheles may have a genetic predisposition to be more healthy. Regular exercise may reduce risk of clotting but it may not have much influence on the upper boun

Altheles may have a genetic predisposition to be more healthy. Regular exercise may reduce risk of clotting but it may not have much influence on the upper bound of your lifespan. A search for '"twin study" resting heart rate' found that a few genes significantly affect resting heart rate ( http://www.biomedcentral.com/1471-2350/7/17 http://www.biomedcentral.com/1471-2350/7/17 ) and that environment significantly affects active heart rate ( http://circ.ahajournals.org/cgi/content/full/94/8/1864 http://circ.ahajournals.org/cgi/content/full/94/8/1864 ).