When Mackenzie Brown’s adoptive father passes away suddenly from a heart condition, she is determined to find out what genes she did inherit, and Martha Buford Reiskind thought the case of her mom’s murder was closed when no DNA match came up for the single piece of hair left at the scene.

Danielle Meinert struggles to eat anything other than cheese pizza, Easy Mac and toast with butter, and Ellis Ballard has life-threatening food allergies, which makes eating, drinking and living life challenging.

Asthma had always held Tara Turner back, but when the doctor tells her she’s officially “obese,” she decides to make a change, and Paul Aflalo struggles with the decision to get gastric bypass surgery.

As a deaf person, Alma Schrage doesn’t see a place for herself in the traditional academic world of science, and after a fall leaves Jennifer Piatek paralyzed, she must rethink how she defines herself as a scientist.