CSB351Y1 Lecture Notes - Lecture 4: Mid Day, Hyponatremia, Dual-Energy X-Ray Absorptiometry
14 Mar 2019
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Document Summary
What is normal body temperature: delivers nutrients, removes wastes, lubricates joints, major constituent of blood volume, medium for chemical reactions. The dexa scan counted water as lean mass and was based on one day study. Dri is 3. 7l/day for men and 2. 7l/day for women: not all of the water has to come form food can come from food (20%, all fluids count towards this requirement, requirement assumed normal physical activity. Yes gets metabolized to acetaldehyde which is also a carcinogen. For men 1-2 drinks per day and 1 drink per day for women. Thermoregulation conducts heat 26 times faster than air. One of the leading causes of death in athletes. Absence of appropriate medical care and overexerting oneself given current fitness. We are hairless, have lots of sweat glands, bipedal posture (less sunrays hit us) Hunting a large animal (bad at thermoregulation) during mid day and force it to run to track it for 15-30km.
