In game theory, the Nash equilibrium is a solution concept of a non-cooperative game involving two or more players in which each player is assumed to know the equilibrium strategies of the other players, and no player has anything to gain by changing only his own strategy.
Specific exercises for subacromial pain. https://www.ncbi.nlm.nih.gov/pubmed/28812398?dopt=Abstract&otool=icamulib
Surgical versus non-operative treatment for lumbar disc herniation: a systematic review and meta-analysis. https://www.ncbi.nlm.nih.gov/pubmed/28715939?dopt=Abstract&otool=icamulib
Doc Mike Evans discusses The science of Subjective Well Being, a.k.a Happiness.
Effects of exercise on fitness and health of adults with spinal cord injury: A systematic review.
Dr. Craig Bauman is a chiropractor who takes an evidence-informed and patient-centred approach.