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Daily use of Cissus Quadrangularis

I have found that cissus has the the most positive impact on my sleep of all the supplements I’ve tried, I sleep longer, seemingly deeper and wake feeling very refreshed. Is it safe to use every day as part of a sleep regimen, or alternatively how should I use it?

Lean bulking vs bulking

What's the optimal way for building muscle nutritionwise? Cycles of bulking and cutting or "lean bulking" with less caloric surplus? THnx a lot!

Blue Light Filter / Generation

Hello Dr, Is there a way to filter blue light in order to not disrupt sleep (watching TV or using an iPad at night.) Is there a way to generate the proper frequency of light to kick start circadian rhythm / wakefulness ? fyi, I'm an airline pilot flying internationally - you can imagine my sleeping problems. Thanks, Mark Souter

Protein and Immunity

Do different protein intakes make a difference to immunity (catching a viral or bacterial infection)? Also, could you answer the "high protein vs. longevity" question. Thanks for the amazing podcast!

Heat/Cold therapy sauna temp with significant humidity

Having trouble finding reputable information on sauna temp with humidity. Our sauna(wood stove fired) is of the dry type, however on the north west coast our humidity in the sauna is 60-80% without water on the rocks. Temp inside gets to 60-80C. I’ve heard the 200 rule, 200 -humidity=temp it should be in F for comfortable sauna experience, but does this low temp in my case get you the max benefit?