The Birth of Physiology (opens in new tab)

The treatment of mental health has been rapidly growing and improving over the past few decades, but it actually goes back thousands of years.Whether it was the Ancient Greek physician Galen’s humoral theory - in which people’s mental health was determined by imbalances in the levels of four different substances in the body - or Roman Emperor Marcus Aurelius’ meditations for guidance and self-improvement, ideas of mental health and its treatment have ranged from the intriguing to the totally ...