What are the effects of chronic caffeine exposure on brain structure and function?

Caffeine, which works by stimulating the central nervous system, heart, muscles and blood pressure control centers, has many benefits for the body and mind. The current research suggests that moderate caffeine consumption is unlikely to trigger or worsen AFib in most people. Aug 8, 2022 ... American Heart Association News covers heart disease, stroke and related health issues. Not all views expressed in American Heart Association News stories ... What does caffeine do to your body? ... Caffeine is a stimulant and the most commonly used drug in the world. Benefits can include increased alertness, energy, ... Mar 6, 2025 ... High doses (250-500 mg) can result in restlessness, nervousness, insomnia, and tremors. As the dosing increases, caffeine can eventually cause ... Caffeine is a chemical found in foods and drinks. It can stimulate your brain and nervous system. It is found in: Dec 27, 2023 ... Energy drinks are beverages that typically contain large amounts of caffeine, added sugars, other additives and legal stimulants such as guarana, taurine and L ... Oct 12, 2018 ... Article about caffeine and the influence that caffeine has on sports performance. Examples of supplements and foods with caffeine. 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 ... In Australia, the consumption of energy drinks containing caffeine is increasing. WHERE DOES CAFFEINE COME FROM? The words caffeine and coffee came from the ...