1. https://www.t-nation.com/workouts/the-colorado-experiment-fact-or-fiction
2. https://www.mikementzer.com/smith_fisher.html
3. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4836564/
4. https://www.huffpost.com/entry/long-intense-exercise-linked-to-lower-libido-in-men_n_58cc1572e4b0ec9d29dbc60e
5. https://www.muscleandstrength.com/articles/losing-muscle-cortisol.html
6. http://baye.com/colorado-experiment/
7. https://physicalculturestudy.com/2014/12/29/how-to-gain-63-pounds-of-muscle-in-28-days-the-infamous-colorado-experiment/
8. https://www.iflscience.com/plants-and-animals/researchers-tested-which-male-body-shapes-women-find-the-most-attractive-its-not-good-news-men/