Newlyweds Joaquin and Lizzie visit genetic testing expert Dr. Brandon Colby to determine if they are truly a match.
How to Outsmart Your Genes
The Doctors explain options for preventing thinning hair.
Adam, 16, underwent a genetic exam that tests if a person is more susceptible to losing their hair. The Doctors reveal his results.
Adam, 16, has a thick head of hair, but is worried he might lose it as he gets older.
E.R. physician Dr. Travis Stork explains how a couple with blue and green eyes can have a daughter with brown eyes.
Dr. Sears demonstrates how melanin enters the eyes and determines a baby's eye color.
Can what you wear help you fight cellulite? See a pair of jeans that claims to do just that.
Hate your thin hair or the thighs you inherited from Mom? Many of our traits are determined by genetics, and sometimes we’re stuck with features we don’t like. But can we change what we’re born with? The Doctors investigate.