With Bitter Herbs They Shall Eat It

Dr. Johns is a Professor of Human Nutrition at McGill University. Prof. Johns is an ethnobotanist and nutritionist whose research interests focus on the traditional uses of plants for food and medicine in relation to issues of contemporary nutrition and health, the understanding of human adaptation in diverse environments and the evolutionary origins of diet and medicine. His work involves field studies with communities in Latin America, Sub-Saharan Africa and Canada in conjunction with laboratory analysis of chemical composition and medicinal properties of plants. His current work includes international policy and program activities on dietary diversity that seek to strengthen linkages between biodiversity conservation and nutrition and health. He is an author of over 130 peer-reviewed publications as well as three books including With Bitter Herbs They Shall Eat it: Chemical Ecology and the Origins of Human Diet and Medicine (University of Arizona Press).Dr. Johns graduated in Biochemistry from McMaster University and completed a Master’s degree in Botany from the University of British Columbia. He obtained his Ph.D. in Biology from the University of Michigan before carrying out postdoctoral work at the University of California Berkeley. He is a member and former Director of the Centre for Indigenous Peoples' Nutrition and Environment at McGill. He is a Past-President of the International Society of Ethnobiology and the Society for Economic Botany.