In the 1940s, medical researchers began using randomized controlled trials to assess the efficacy of health interventions. In ...

“Well, we don’t have as much evidence as we would like on steroid use during pregnancy,” the obstetrician warned my co-author, Natalia Emanuel, as she wrote a prescription for inhaled corticosteroids ...

Medical research shapes healthcare every day, but not all studies are created equal. Knowing the differences can help you feel more confident reading health information online and understanding what ...

New vaccines are often evaluated in trials in which some participants receive a placebo. But not all studies can be designed this way. By Teddy Rosenbluth The Department of Health and Human Services ...

Tesamorelin can selectively reduce visceral fat, as demonstrated in RCTs. But the real story is what it reveals about ...