What Is Caffeine, and Is It Good or Bad for Health?
WebJun 3, 2020 · What it is. How it works. Where it's found. Mood & brain function. Metabolism & fat burning. Exercise performance. Heart disease & diabetes. Benefits of coffee. Safety & side effects. Recommended...
Caffeine - Wikipedia
WebKey:RYYVLZVUVIJVGH-UHFFFAOYSA-N. Data page. Caffeine (data page) Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class. [9] It is mainly used as a eugeroic ( wakefulness promoter) or as a mild cognitive enhancer to increase alertness and attentional performance.
Caffeine: How much is too much? - Mayo Clinic
WebMar 19, 2022 · Caffeine has its perks, but it can pose problems too. Find out how much is too much and if you need to curb your consumption. If you rely on caffeine to wake you up and keep you going, you aren't alone. Millions of people rely on caffeine every day to stay alert and improve concentration.
Caffeine content for coffee, tea, soda and more - Mayo Clinic
WebApr 26, 2022 · Up to 400 milligrams of caffeine a day is considered safe for most adults. However, people's sensitivity to caffeine varies. If you're bothered by headaches, restlessness or anxiety, you may want to reevaluate your caffeine intake.
Caffeine: Benefits, risks, and effects - Medical News Today
WebOct 16, 2017 · Effects. Takeaway. Caffeine is a stimulant and the most commonly used drug in the world. Benefits can include increased alertness, energy, and concentration. However, it can also lead to insomnia...
CAFFEINE - Uses, Side Effects, and More - WebMD
WebOverview. Caffeine is a natural chemical with stimulant effects. It is found in coffee, tea, cola, cocoa, guarana, yerba mate, and over 60 other products. Caffeine works by stimulating the...
What Is Caffeine? Is It Good for You? - Verywell Health
WebFeb 11, 2022 · Caffeine is a chemical compound that many people consume every day. It is most commonly consumed in coffee and tea, though it can also be consumed through other foods and drinks, certain medications, and even recreational drugs. Caffeine does have health benefits, but like with any drug, excessively high doses can pose health risks.
The Effects of Caffeine on Your Body - Healthline
WebMay 9, 2023 · Central nervous system. Caffeine acts as a central nervous system stimulant. When it reaches your brain, the most noticeable effect is alertness. You’ll feel more awake and less tired, so it’s a...
Caffeine | The Nutrition Source - Harvard T.H. Chan School of …
WebCaffeine is a mild stimulant to the central nervous system that quickly boosts our alertness and energy levels. Learn more about caffeine and health.
Caffeine: MedlinePlus
WebSep 8, 2021 · What is caffeine? Caffeine is a bitter substance that occurs naturally in more than 60 plants including: Coffee beans. Tea leaves. Kola nuts, which are used to flavor soft drink colas. Cacao pods, which are used to make chocolate products. There is also synthetic (man-made) caffeine, which is added to some medicines, foods, and drinks.
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