NUSC 1165 Lecture Notes - Lecture 30: Adrenal Gland, Cortisol, Ghrelin
18 Apr 2018
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Energy balance: energy in - energy out. How much you consume vs how much energy you need for daily activity, exercise, body weight, ect. If you burn more than you spend, you lose weight. If you consume more than you spend, you gain weight. If energy balance= 0, you maintain current body weight. You need to calculate how many calories you need. You can"t exercise away all of your extra calories. 500 calories cut a day = 1 lb per week. If you wanted to lose 2 lbs a week, you would need a calorie deficit of 1000 kcals per day. When you exercise, you only burn about 400 cals. Vitamins are not a source of energy/calories. Typically around 30 mins before typical meal times. Especially in early morning: blood glucose is low. If you store a lot of fat, body needs less food. Regulators: brian, adrenal gland, fat tissue, and gastrointestinal tract.
