- Caffeine - Wikipedia
The most common sources of caffeine for human consumption are the tea leaves of the Camellia sinensis plant and the coffee bean, the seed of the Coffea plant Some people drink beverages containing caffeine to relieve or prevent drowsiness and to improve cognitive performance
- Caffeine: What It Is, Benefits and Side Effects
What is caffeine? Caffeine is a type of drug called a stimulant, meaning it increases chemicals in your brain called neurotransmitters
- Caffeine: How much is too much? - Mayo Clinic
Up to 400 milligrams (mg) of caffeine a day seems safe for most adults That's about the amount of caffeine in four cups of brewed coffee, 10 cans of cola or two "energy shot" drinks Keep in mind that the caffeine content in drinks varies widely
- Caffeine | Stimulant, Health Benefits, Addiction | Britannica
Caffeine has a stimulating effect on the central nervous system, heart, blood vessels, and kidneys It also acts as a mild diuretic Caffeine’s potent stimulatory action makes it a valuable antidote to respiratory depression induced by drug overdose (e g , from morphine or barbiturates)
- The Effects of Caffeine on Your Body - Healthline
Caffeine gives you a boost of energy and may lower your risk of certain conditions However, consuming too much can lead to less desirable effects, such as headaches, confusion, and high blood
- What medical experts really want caffeine drinkers to know
Caffeine offers some real health benefits—but not if you go overboard Here’s how coffee, energy drinks, and other caffeine products can affect your health
- Caffeine - MedlinePlus
Many people enjoy a cup of coffee or tea to give them a boost But is it safe? Learn more about caffeine
- Caffeine: How Much Is Safe and How It Affects Your Body Systems - WebMD
Your caffeine intake depends on the caffeine-containing products you prefer A cup of tea only has 14 to 60 milligrams of caffeine in it, depending on the type of tea, while coffee has up to
|