Medications

Ketamine's effect on depression may hinge on hope

In study after study, the psychoactive drug ketamine has given profound and fast relief to many people suffering from severe depression. But these studies have a critical shortcoming: Participants usually can tell whether ...

Health

Why six-pack abs are so hard to achieve—and maintain

Many people start going to the gym in the hopes of achieving what has long been seen as the holy grail of health and fitness: six-pack abdominal muscles (abs). But as many people who have tried will attest—including celebrities, ...

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