Chapter

Research and the Scientific Method

From Human Nutrition by Human Nutrition

Concepts

1. Scientific Method

   "Nutritional scientists discover the health effects of food and its nutrients by first making an observation. Once observations are made, they come up with a hypothesis, test their hypothesis, and the

2. Iodized Salt

   "In 1918, Swiss doctor Bayard proposed iodizing salt as a good way to treat areas endemic with goiter. Iodized salt was transported by mules to a small village at the base of the Matterhorn where more

3. Evidence Approach

   "It took more than one hundred years from iodine’s discovery as an effective treatment for goiter until public health programs recognized it as such. Although a lengthy process, the scientific method

4. Nutrient Recommendations

   "The Food and Nutrition Board of the Institute of Medicine, a nonprofit, nongovernmental organization, constructs its nutrient recommendations, or Dietary Reference Intakes (DRI), using an evidence-ba