What are the remaining unanswered questions about caffeine?

Caffeine is found naturally in tea and coffee. But it is added to energy drinks and many types of soda. It's even put in some snack foods and medications. More ... Coke's caffeine content is 34mg for a 12-oz can, and Diet Coke caffeine content is 46mg. That's three to four times less than coffee! The same-sized coffee, in ... A purine alkaloid that occurs naturally in tea and coffee. It has a role as a central nervous system stimulant, an EC 3.1.4.* (phosphoric diester hydrolase) ... Caffeine is the most widely used psychoactive substance in the world. In North America, more than 80 per cent of adults regularly consume caffeine. The average ... May 20, 2024 ... For healthy adults, 400 milligrams of caffeine per day is not generally associated with dangerous effects, according to the U.S. Food and Drug ... How much caffeine can I have? The current NHS guidelines recommend that you should have less than 200mg a day if you're pregnant. This is about 2 cups of ... Jan 29, 2020 ... What is the difference between theine and caffeine? Theine and caffeine are stimulants for the central nervous system. However, it is the other ... Caffeine Overdose. A caffeine overdose happens when you ingest more caffeine than your body can safely process. It can cause serious symptoms and be fatal (even ... Caffeine, which works by stimulating the central nervous system, heart, muscles and blood pressure control centers, has many benefits for the body and mind. “Most people have safely under 400 milligrams a day, which is what the Food and Drug Administration considers safe,” she said.