About 1 pint (480 mL) of blood is taken when you donate. It takes about 10 minutes. The whole process-including answering questions and having a short exam-takes up to an hour. Donated blood is tested to make sure that it is safe to use.
Soda is an unhealthy beverage because it's high in calories and sugar but low in vitamins and minerals. Coca-Cola is one example of a type of soda that's sugary and packed with calories, but Coke Zero is one alternative that is sugar-free.
Caffeine Related Dental Problems. In regards to caffeinated beverages, soda is thought to provide the highest risk to dental health. Many sodas have an unhealthy combination of high levels of caffeine and sugar earning them the title of being a smile killer.