Breathing

http://www.telegraph.co.uk/science/2017/03/30/deep-breathing-calms-brain-cell-spy-breath/

weightology

http://weightology.net/free-content/

Proper rowing technique

https://www.youtube.com/watch?v=yVkMzEXChLc

Productivity 52-17

http://www.bulletproofmusician.com/how-to-intensify-your-focus-and-be-more-productive-with-the-5217-split/

https://chriskresser.com/pills-or-paleo-reversing-heartburn-and-gerd/

https://www.theguardian.com/science/2017/mar/23/purging-the-body-of-retired-cells-could-reverse-ageing-study-shows

carb back loading

http://www.schwarzenegger.com/fitness/post/carb-back-loading-whats-old-is-new