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.

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Tornadoes, Hail and Hurricane-Force Winds Kill 4 in West Texas
A line of severe storms produced what a meteorologist calls a rare combination of multiple tornadoes, hurricane-force winds and softball-sized hail in west Texas, killing at least four people, injuring nine and causing significant damage around the town of Matador, a meteorologist said Thursday.
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