New study finds hydration spas are largely unregulated

Tonight, new warnings about the booming med spa industry. Specifically, the risks that come with those popular IV drips that are so so popular with young people. They claim to boost the immune system, help weight loss, or even cure a hangover.But a new study warns the industry operates with virtually no oversight or data backing up its claims. Here to break it down is NBC News medical reporter Erica Edwards. Erica, med spas are a big business with some estimating now it's a $15 billion industry, but this st ...