BIOL 1175 Lecture Notes - Bile Acid, Monounsaturated Fat, Red Meat
Document Summary
To understand weight and nutrition we first have to understand nutrients. Nutrients are component of food that are needed to perform a physiological body function. Measured of heating apacity, its measure of energy yield. Energy released in breaking down food molecules lipids have more electrons than carbohydrates and proteins, more energy to yield. Preferred source of energy (fats/lipids next, then proteins) Sugar of polysaccharides that are digested into simple sugar, important energy source. Refined grains should be minimized in diet because fiber and vitamins are removed (white bread, flour, cake, cookies) Complex carbohydrate are recommended as a good source of vitamins and minerals (beans, whole grain, nuts, fruits) Has doubled in us in last 20 years. In us 1/3 adults are obese, now prevalent in children and adolescents. Obesity tends to increase with an increase income except in north america. Increased risk of premature death, 2 diabetes, hypertension, cvd, stroke, etc .
