title: Definition of the nutrition problem in the labor force.
mesh_terms: D000328:Adult; D000383:Agriculture; D000747:Anemia, Hypochromic; D001823:Body Composition; D002302:Cardiac Output; D004734:Energy Metabolism; D006166:Guatemala; D006454:Hemoglobins / Q000378:metabolism; D006801:Humans; D007501:Iron; D008297:Male; D009748:Nutrition Disorders / Q000178:diet therapy; D009749:Nutrition Surveys; D009751:Nutritional Requirements; D009790:Occupations; D010101:Oxygen Consumption; D010809:Physical Fitness; D012423:Rural Health
chemical_list: D006454:Hemoglobins; D007501:Iron