Also known as: Diminished ovarian reserve
Carla and Turk are shown struggling with infertility despite frequent attempts at conception. The episode depicts them trying to conceive with increasing stress, which is identified as a potential contributing factor to their fertility issues.
Also known as: Blood cancer
Carol is diagnosed with leukemia after a bone marrow biopsy. Her diagnosis drives the main plot as J.D. goes the extra mile by organizing her family, including her estranged father, to support her through chemotherapy. The episode culminates with J.D. shaving his head in solidarity when Carol's family all shave theirs.
Also known as: Broken hip
Mrs. Cohen's broken hip is mentioned as an example of J.D. going the extra mile. She broke her hip jumping out of her truck after J.D. took her car (which he crashed) while trying to help her with a parking situation.
Also known as: Spot on the lung
Mr. Sommer, the cousin of a hospital trustee, is described as having a spot on his lungs requiring surgical removal. The Janitor jokes about popping the lung out and taking it to the dry cleaners, and Mr. Sommer is found outside smoking despite trying to quit with a nicotine patch.