Jeff Rotman / Man and woman with Cannabis plant in organic Marijuana farm, Pueblo, Colorado, USA, June 2015. . Marijuana has legalized in the state of Colorado, and this farm produces Marijuana for medical and reta...

Jeff Rotman / Person holding large Cannabis bud, in organic Marijuana farm, Pueblo, Colorado, USA, June 2015. . Marijuana has legalized in the state of Colorado, and this farm produces Marijuana for medical and ret...

Cyril Ruoso / Woman with baby collecting Madagascar periwinkle (Catharanthus roseus) flowers and leaves, used in herbal medicine, and containing molecules which are used in the treatment of leukemia cancer. Berenty...

Shibai Xiao / Preserved root of Chinese goldthread (Coptis chinensis) used in traditional Chinese medicine, Henan Province, China, March 2010. No release available.

Heather Angel / Caterpillar fungus (Ophiocordyceps sinensis), a rare traditional Chinese medicine sold to nourish yin and yang, for anti-aging and as natural viagra substitute- Dong Chong Xia Cho. Yunnan, China.

Inaki Relanzon / Traditional Chinese medicines made from Moon bear (Ursus thibetanus) bile which is used to various ailments, such as fever, gall stones, liver problems, heart disease and eye irritations, China, Septe...

Juan Carlos Munoz / Shop selling animal body parts for Chinese medicine, Kunming, Yunnan, China, April 2016.

Paul D Stewart / Woodblock illustration of Mandrake (Mandragora) from two pages of the Ortus (Hortus) sanitatis - translated from the Latin as 'Garden of Health' by Jacob Meydenbach, 1491. He describes plants and anim...

Jeff Rotman / Rolled marijuana / cannabis joints, in cannabis dispensary, Denver, Colorado, USA, June 2015. Marijuana has legalized in the state of Colorado, and this farm produces Marijuana for medical and retail...

Jeff Rotman / Rolled marijuana / cannabis joints, in cannabis dispensary, Denver, Colorado, USA, June 2015. Marijuana has legalized in the state of Colorado, and this farm produces Marijuana for medical and retail...

Jeff Rotman / Man and woman with Cannabis plant in organic Marijuana farm, Pueblo, Colorado, USA, June 2015. . Marijuana has legalized in the state of Colorado, and this farm produces Marijuana for medical and reta...

Jeff Rotman / Man tending Cannabis plants in organic Marijuana farm, Pueblo, Colorado, USA, June 2015. Marijuana has legalized in the state of Colorado, and this farm produces Marijuana for medical and retail purpo...