Vital Signs With Dr. Sanjay Gupta

Dr Sanjay Gupta explores diseases of the brain and how they are treated, including an innovative new treatment for Parkinson's disease that involves using high-intensity ultrasounds.

Phage therapy is a saving grace for many people near death from superbug infections. Scientists around the world are working to decode the intricacies of phage therapy with hopes of making it a more accepted alternative therapy in cities worldwide.