By the time writing was invented, the Greeks and Egyptians had already learned to extract opium from poppies to facilitate sleep..

Many tribal peoples consider illness to be one of the most reliable sources of revelation. Many of the practices that traditional religions impose up….

I often felt better as soon as I swallowed my vitamin C, long before it had time to take effect. Medical researchers call it 'placebo effect'; I pref….

My body has taught me many things, all of them filled with soul: how to dance and make love, mourn and make music; now it is teaching me how to heal.….