Agency says ketamine should only be used in a health care setting, under supervision
Authors urge greater transparency of study results for drugs approved by the FDA
Disposable e-cigarettes are sold in flavors known to appeal to children and teenagers, including bubblegum and cotton candy
Xylazine -- used to sedate large animals such as horses and deer -- is sold on the street under the names tranq, Philly dope, and zombie drug