For decades, avocados and avocado oil have been promoted as health-conscious alternatives to more highly refined vegetable oils. Food manufacturers now advertise avocado oil in products such as mayonnaise, salad dressings, and snack chips—often at a premium price. Unfortunately, consumers may not always be getting what the label promises.

Current recommendations for prophylactic antibiotic use after a tick bite are largely dictated by the Centers for Disease Control and Prevention.1 These guidelines recommend a single high dose of doxycycline—a one-time antibiotic dose—under a fairly narrow set of criteria. At first glance, the criteria seem reasonable. In practice, there are several problems with this model.