Webpublished research suggests this is a reliable way to predict life span and health span.
Can you change your biological age?
No one wants to find out they're aging.
Webif you're happy and engaged, positive emotions can spread.
If you aim to live a healthier life, your odds improve if those around you are committed too.
Webadopt one of eight lifestyle habits at age 40, and you could add 4. 5 years to your life, a new study found.
Add all eight, and you might live up to 24 years longer.