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
1st Babies Born in Britain Using DNA From 3 People
Britain's fertility regulator on Wednesday confirmed the births of the U.K.'s first babies created using an experimental technique combining DNA from three people, an effort to prevent the children from inheriting rare genetic diseases.
Load More