Jody wants to talk about Saunas [0:01:02-0:01:57] "Give me a fever, and I can cure the world." quote by a famous really old doctor (Hippocrates). We've known Sauna is good for you for a long time. Ancient people have been using forever, and it's extremely popular in places like Finland. [0:02:01-0:02:44] Matt and Mike discuss how your pulse can go up by about 30% in the sauna and it's really good for your heart. They describe THIS JAMA study of 2300 men that shows those that visited the sauna 4-7 times a week were over 60% less likely to experience sudden cardiac death and were 50% less likely to die from cardiovascular disease than those who only visited a sauna once a week. There's a dose dependent response as well. [0:02:58-0:03:57] Matt talks about a fruit fly study that increased their lifespan on average by about 5%. That equates to 4 years for a person......but you can't apply to a person. Interesting data, though. Sitting in a Sauna can burn about 300 calories per session. You're exercising while sitting there. [0:03:58-0:04:54] Jody says he read on the internet that a doctor says you can't detox through sauna use since the kidneys and liver are what detoxes. Matt goes off on this topic refuting that claim and telling why he's definitely not impressed by a claim just because "a doctor" says it. Curiosity and the desire to continue learning are more important than credentials. [0:06:58-0:07:53] Matt and Mike discuss the studies showing that multiple heavy metals like BPA and phthalates have been found in sweat, suggesting that you can sweat them out. There is some controversy, but we think that you can detox from sweating in a sauna, and the downsides are so low that it's worth trying. Worst case scenario, you're getting some good relaxation. [0:07:58-0:08:54] Matt and Mike discuss the Finnish study a little more and how it decreased the risk for Alzheimer's by 65%, which could be partly from relaxation, but probably more from the microvascular effects of the increased heart rate and hyperthermic conditioning. [0:08:58-0:09:57] Mike discusses the temperatures you get to in sauna after Jody asks how high the temperature needs to be. Typically, infrared saunas should be 120-140F (49-60C) while traditional saunas must be above 150F (65.5C) to be effective.  I would say make it as hot as you can stand it. You want it to be uncomfortable enough so that your body makes the proper responses. [0:09:58-0:10:46] Mike and Matt talk about how hot exactly to get ( "if your skin is melting......that's too hot"). They describe how each of the different sauna types work to heat you up. Infrared saunas work by directing infrared rays at your body and penetrating the tissues, just like the sun.   xcept there aren't any UV rays, which are the potentially harmful part of sunlight. And dry saunas work by heating up the air, which heats up your body. So, the air temperature in an infrared sauna doesn't need to be as hot to work. It works more directly on your body. This means it also uses about 1/3rd of the energy of a dry sauna. 0:10:58-0:12:15 Matt talks about how sauna affects insulin sensitivity, which affects muscle growth, but also is really nice to know if you're diabetic.  Could be very beneficial for diabetic patients. It also increases HGH. Studies ( H R  and H R ) have shown that growth hormone levels more than doubled after 2 20-minute sauna visits at 176F and levels hopped up 5 times with 2 15 minutes sessions at 212F! 212, is definitely too hot, though. Don't do that! 12:58 - 14:30 These studies on HGH were dose dependent. Two 1 hours sessions increased HGH levels by 16 times. We're not going to go into the pathway of growth hormone mediating IGF-1, activation of m-tor leading to protein synthesis and Fox o activation inhibiting protein degradation.   Everyone knows that basically HGH makes you swole. You look better, are stronger, and feel better with more growth hormone. I know guys who are paying good money for HGH suppleme