Our guest this week is Santosh Kesari, a neurologist and neuro-oncologist at Saint John's Cancer Institute. Dr. Sanjay & Dr. Santosh talk about the different types of brain tumors and what is happening NOW in brain cancer.

Dr. Sanjay & Dr. Santosh agree on the importance of sleep when it comes to health and just how vital the immune system really is when it comes to fighting off disease and cancer.

More importantly, Dr. Santosh discusses some of the different types of exposure that can cause brain cancer as well as several of the new treatments available to brain cancer patients.