Addiction

Fentanyl vaccine potential 'game changer' for opioid epidemic

A research team led by the University of Houston has developed a vaccine targeting the dangerous synthetic opioid fentanyl that could block its ability to enter the brain, thus eliminating the drug's "high." The breakthrough ...

Medications

Study gives a peek at how ketamine acts as 'switch' in the brain

Ketamine, an established anesthetic and increasingly popular antidepressant, dramatically reorganizes activity in the brain, as if a switch had been flipped on its active circuits, according to a new study by Penn Medicine ...

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 ...

Diseases, Conditions, Syndromes

What works best against varicose veins?

More than 40 million Americans suffer from varicose veins, which can be both unsightly and painful, but the best way to get rid of them hasn't been clear.

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