You might want to leaf this drug alone. A new study found that calls to the nation’s poison centers about a natural supplement marketed as an energy booster, mood lifter and pain reliever have soared about 1,200% over the past decade. Hospitalizations, and even some deaths, have climbed in tandem, leaving health experts sounding the alarm about a product that’s widely available in vape shops, gas stations and online. “The data reflects a concerning trend,” Dr. Chris Holstege , a researcher and