CHEM 181 Lecture Notes - Lecture 3: Scoliosis, Radium, Reabsorption

• School: McGill University
• Department: Chemistry
• Course: CHEM 181
• Professor: Ariel Fenster

Document Summary

Topic three: macronutrients & minerals lesson 3: minerals iii. 99% used in bones and teeth, 1% nerve transmitting & blood clotting. Discovered 1883 body needs calcium for nerve function overall) Intake recommended amounts vary per country (sort of coming to agreement) Very little for very young children, spikes greatly when one begins growing, drops off before 20 and plateaus. To increase to 1250 intake, still only gaining 100 (so much lost) Some argue male intake should spike around 20 & drop off significantly around 25. Study of elite swimmers says men"s intake was 2. 7x daily allowance of women; still the women took 1. 2x daily allowances themselves. Osteoporosis porous bones" from the greek word. Linked to low dietary calcium, issue among women more than men. 9 million associated fractures worldwide (mostly women, weak bones) Hip fractures are prevalent, more increase in risk for women. Based on radiographic vertebral imaging (x-rays & such) men and women suffer from breaks rather equally.