plaque build-up inside the coronary arteries. >> i'm going to take a hair sample. >> what's this for? >> toxin in your body as well as nutrient level. >> what is this? >> this is going to check the blood flow to the brain. >> the next thing we're going to do is store your stem cells. >> but dr. grossman is not just focused on my current well-being. he's making a plan for the future. >> here goes the little biopsy. >> and freezing my stem cells for the medical breakthroughs to come. >> what will these be used for in the future? >> the stem cells you can use to print new organs like a new heart, new liver, any organ that you want. except a brain so far. >> the one that i need the most. >> this is going to test your body fat. >> it's like i'm getting jumpstarted. >> put your hand straight in in there. this is going to tell me how your blood pressure changes. how you react to stress. >> channel my inner snowman. >> you have about 1:30 to go. >> wow. this is a very strange journey i'm on right now i have to say. >> we're going to look at your tongue. >> what does my tongue say? >> looks like you may have some bacteria growing in your colon. when you get your stool test results you get to see if