Smoking cessation.

Cigarette smoking is arguably the major cause of preventable morbidity and mortality in the developed world. The Department of Health and Human Services in the United States classifies cigarette smoking as a chronic, often relapsing disease. Like most complex diseases, genetic and environmental factors play important roles and contribute to both smoking initiation and persistence.

Production of huitlacoche, Ustilago maydis: timing inoculation and controlling pollination.

Huitlacoche is the name given to young, fleshy, edible galls that form when ears of Zea mays are infected by Ustilago maydis. Huitlacoche is processed and sold fresh at markets in Mexico. Interest has increased recently in producing U.