There’s a new sleep trend making waves: taping your mouth shut at night. Advocates say it can help you breathe better, sleep deeper, and even wake up more energized. But is it safe -- or could it put your health at risk? Sanjay breaks down what the science says about this viral “hack” and what doctors want you to know before you try it. Plus, a listener asks about calcium supplements and testosterone for bone loss.  
This episode was produced by Jennifer Lai 
Medical Writer: Andrea Kane
Showrunner: Amanda Sealy
Senior Producer: Dan Bloom
Technical Director: Dan Dzula
Executive Producer: Steve Lickteig Learn more about your ad choices. Visit <a href="https://podcastchoices.com/adchoices">podcastchoices.com/adchoices</a>

Why Haven't We Cured the Common Cold?

All over the world, there are people who are living extraordinary lives, full of happiness and health – and with hardly any heart disease, cancer or diabetes. Dr. Sanjay Gupta has been on a decades-long mission to understand how they do it, and how we can all learn from them. Scientists now believe we can even reverse the symptoms of Alzheimer’s dementia, and in fact grow sharper and more resilient as we age. Sanjay is a dad – of three teenage daughters, he is a doctor - who operates on the brain, and he is a reporter with more than two decades of experience - who travels the earth to uncover and bring you the secrets of the happiest and healthiest people on the planet – so that you too, can Chase Life.