Up to 400 milligrams of caffeine is considered to be safe, according to the Mayo Clinic. Overdosing happens by consuming large amounts of caffeine, most often in energy drinks or diet pills. Symptoms of an overdose include:Īn overdose can result in death due to convulsions. In some people, sudden withdrawal may cause tremors.Īlthough it’s extremely rare, it’s also possible to overdose on caffeine. Other symptoms of caffeine withdrawal include: The blood vessels in your brain become used to caffeine’s effects so if you suddenly stop consuming caffeine, it can cause a headache. This is primarily linked to caffeine withdrawal. Some people consider coffee to be a health drink, but like most foods, over indulging can cause side effects.įor example, too much caffeine can give you headaches. These benefits are limited to people who drink high-octane coffee, not decaf. Studies have also found that people who drink coffee regularly have a lower risk of developing Alzheimer’s and dementia, and cut suicide risk by 45 percent. You’ll feel more awake and less tired, so it’s a common ingredient in medications to treat or manage drowsiness, headaches, and migraines.
When it reaches your brain, the most noticeable effect is alertness. If you want to decrease the amount of caffeine you take, it’s best to decrease your consumption slowly.Ĭaffeine acts as a central nervous system stimulant. Other factors like your age, body mass, and overall health can determine your tolerance to caffeine, too. If you’re using a mug or getting your fix at a coffee house, chances are you’re drinking 16 ounces or more, so reading labels is important.Īs you consume the same amount of caffeine on a daily basis, your body develops a tolerance to it. Keep in mind that a standard size cup of coffee is eight ounces. According to the Mayo Clinic, it’s safe for most healthy adults to consume up to 400 milligrams of caffeine per day. At a minimum, you may feel more energetic, but over time, too much caffeine may cause withdrawal symptoms.
This ingredient almost always causes some symptoms. Even some medications may contain caffeine without your knowledge. It’s tasteless, so you won’t necessarily know if it’s in your food either. Caffeine provides no nutritional value on its own.
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