... plastic water bottles generate waste and potential health hazards because of their chemical composition.
Dr. David Suzuki is an environmentalist who works to protect the balance of nature and our quality of life,...
Author: Stephen Lower, a retired professor at Simon Fraser University
- The idea that one must consume alkaline water to neutralize the effects of acidic foods is ridiculous; we get rid of excess acid by exhaling carbon dioxide. When this is not adequate, the kidneys adjust urinary pH accordingly.
- If you do drink alkaline water, its alkalinity is quickly removed by the highly acidic gastric fluid in the stomach.
- Uptake of water occurs mainly in the intestine, not in the stomach. But when stomach contents enter the intestine, they are neutralized and made alkaline by the pancreatic secretions - so all the water you drink eventually becomes alkaline anyway.
...概括而論, 一些塑膠瓶或盛器所含有的聚乙烯對苯二甲酸脂(polyethylene terephthalate或PET), 在最近研究及檢查過程中發現包含潛在的致癌元素(Diethylhydroxylamine或DEHA)。該等塑膠瓶或盛器在安全程度下, 應只適用一次, 如果必須更長時間地使用, 一個星期為極限了, 並應不要盛載熱的食水或食物。
Posted on 明報專欄, 2008/05/13
Author: Michael Chiu CWS-VI, CI, CIE