Our lifestyle has a very big influence on our life expectancy, such as our level of fitness, or whether we smoke or are overweight. Other external factors like social contacts, environmental conditions or education are also important. In addition, our genes also help determine how long we may live. Longevity in humans means living to 95 years and older in relatively good health.
Click here for original story, Genetic contribution from the Stone Age may influence our chance to have a long life
Source: Phys.org