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which foods are associated with less environmental impact plant based foods
5 overarching guidelines in final 2015 dietary guidelines Follow a healthy diet across
lifespan, focus on variety, nutrient density, and amount, limit added sugar, saturated fats, and
sodium, shift to healthier choices based on preferences, and support healthy eating for all.
old vs new nutrition labels Vitamin A and C were taken off, and Vitamin D and Potassium
were added. Calcium, Iron, and Potassium are also present.
leafy green vegetables Green leafy vegetables are very nutrient dense. They have fiber,
antioxidants, phytochemicals, calcium, iron, vitamins A and K, folate, and are low in calories.
Examples include kale, collard greens, spinach.
health claim statement containing links between nutrients and disease. Regulated by FDA
nutrient claim statement concerning a product's nutritional value. Regulated by FDA.
,structure function claim statement concerning how a nutrient affects structure/function of
the body, such as "calcium creates strong bones." Not regulated by FDA.
nutrition facts label Regulated by the FDA and require common name of product,
name/address of the manufacturer, net contents, nutrient content, and ingredient list.
phytochemical any of various biologically active compounds found in plants
functional food food that has beneficial psychological or physiological effects
double blind experiment person implementing the experiment and the participant(s) are
not aware of which individual is receiving the experimental treatment
placebo a substance that has no effect, typically used as a control in a study
case control (retrospective) study uses already collected data for a different purpose
, cross sectional study examines data at a specific point in time
Cohort (Prospective) Study watches for outcomes over time (longitudinal)
digestive tract The mouth breaks up food, which then travels down the esophagus to the
stomach, which churns the food and secretes acid and enzymes. The chyme then enters the small
intestine where the majority of nutrient absorption occurs. In the large intestine, water and
electrolytes are removed
mechanical digestion muscle driven mixing of food and contractions that push material
through the GI tract. It occurs all along the digestive tract through chewing, mixing, peristalsis,
and mass movements
chemical digestion occurs throughout the entire GI tract through secretions of different
enzymes.
digestion of carbs, protein, fat, water Proteins are digested in the stomach and absorbed in
the small intestine. Fats and carbohydrates are digested and absorbed in the small intestine.
Water is absorbed in the small and large intestines.