Jet lag happens when people fly across multiple time zones. The body’s internal clock gets out of sync with the outside signals of sunrise and sunset. The result is insomnia, poor concentration, fatigue, and gastrointestinal symptoms.

Genetic tests are marketed with a bold claim: that a handful of genes can predict medication response. AssureRx’s GeneSight is the most popular of these tests, and in 2015 we reviewed the evidence behind its panel. In short, it was lacking, but the company has just released new data that may move it a little closer to the mainstream.

It would seem intuitive, then, that withholding lithium, which is toxic in overdose, from a suicidal patient is a safe move. However, intuition doesn’t match up with the evidence here.

From cultural expectations to genetic variations, ethnicity has a strong effect on medication response. In this article, we’ll review five areas where ethnic groups can differ in their biological response to psychiatric medications.

Psychotherapy is the main treatment for anorexia nervosa, but which type works best? Several therapies have good evidence in this population, but they differ in their models and methods, and head-to-head comparisons among them are rare. To overcome that limitation, this study used a technique called “network meta-analysis,” which evaluates different treatments based on how they measured up against a common comparison group.