What Role Does Genetics Play in Lifespan? Ask USA TODAY [VIDEO]

As we look at many diverse cultures around the globe there are many attributes that can be associated to specific cultures, some positive, some negative. With that in mind, would specific genetics play a role in someone’s lifespan? Are some ethnicities/cultures prone to outlive others? As various cultures and ethnicities mix how could this be affected. Hit the jump to see science reporter Dan Vergano discuss the role genetics play in lifespan.