Foods and Nutrition 1021 Lecture Notes - Lecture 8: Water–Electrolyte Imbalance, Bottled Water, Water Intoxication

• School: Western University
• Department: Foods and Nutrition
• Course: Foods and Nutrition 1021
• Professor: Noelle Martin

Document Summary

Water makes up 60% of a person"s body weight. Water is found in blood vessels, cells, tissues, organs. Helps maintain body temperature (sweat) lubricant & cushion for joints. Lubricates digestive & respiratory tracts & mucus linings. Keeps optimal pressure on eye retina & lens; Avoiding dehydration and water intoxication by balance between: Sweat (~30%), urine (~35-50%), breath (~1. 5), feces (~7%) Dehydration: lack of sufficient water in body. Note: if you are thirsty, you are already dehydrated. Water intoxication water content too high from excessive ingestion of plain water. Men: 3. 7 litres of fluid from beverages and drinking water. Women: 2. 7 litres of fluid from beverages and drinking water. Athletes, pregnant, breastfeeding, all need more water than average person. Need more water on airplanes because of the high risk of blood clots. Dietary fiber, protein, salt, and sugar intake. Hard water with high ca & mg concentrations. Bottled water drinking water sold in bottles varies in sodium content.