1, kidney disease or the elderly can not drink.

2, because the elderly gastrointestinal function is relatively weak, often drink soda may lead to alkalosis.

3, alkaline body can not drink often, after drinking will lead to body fatigue, after drinking soda, if the body appears uncomfortable symptoms to stop. You can drink more warm water, which can promote the body's metabolism, but also effectively avoid acidic or alkaline foods lead to gastrointestinal discomfort.