What is age? Technically speaking, age determines how long a person or thing has existed but there a blood test that could prove your birthdate to be just that -- a date. Dr. Jeremy Walker, Opt health physician, joined Cheddar News to talk about how blood tests can determine someone's biological age. In some cases, the biological age can be older or younger based on how the organ systems are aging.

Share:
More In Science
Climate Change May Force More Farmers and Ranchers to Consider Irrigation -- at a Steep Cost
Irrigation might have saved Jackson's hay, but she and her husband rejected the idea about 10 years ago over the cost: as much as $75,000 for a new well and all the equipment. But now — with an extended drought and another U.S. heat wave this week that will broil her land about an hour northwest of Dallas for days in 100-degree-plus temperatures — Jackson said she is “kind of rethinking.”
Load More