New Delhi, March 14 -- Tobacco kills 8 million people worldwide every year but imagine if it could be used to make medicine. The idea isn't unheard of - tobacco has been used as a herbal medicine in the past. But now, in the age of genetic engineering, tobacco may well be the future of pharmaceutical production on Earth and beyond.

European explorers first encountered tobacco in the Americas during the 16th century. There, indigenous people had used it for centuries, either by inhalation, ingestion or topically, as a treatment for any number of illnesses like headaches, colds, sores and stomach upsets.

Tobacco became a panacea in 16th century Europe, prescribed for almost everything. The most bizarre application, however, would probably...