Klinefelter syndrome is a genetic condition that affects only males. Here's what you should know about the causes, symptoms, and treatment options for the condition. Klinefelter syndrome is a genetic ...

Apple allergies can occur, especially in people who are allergic to birch tree pollen. Up to 8% of children and 3% of adults may experience food allergies, including reactions to apples. The main ...

Below you’ll discover the complete list of animal names our researchers have written about so far. With thousands more domesticated and wild animal lists planned, our goal is to become the most ...