Studies also show that coffee can reduce the risk of diabetes, is good for the liver and heart, promotes weight loss and increases longevity.
However, doctors warn that if you experience these 3 symptoms, you should adjust the amount of coffee you drink every day.
Drinking coffee has many health benefits
Dr. Sooj, a doctor working at the UK National Health Service, said that people who regularly drink coffee should reduce their coffee intake if they feel their heart beating fast, feel anxious or have trouble sleeping, according to the Express (UK).
Heart beating fast, pounding
Dietitian Victoria Taylor, who works at the British Heart Foundation, explains that research shows that four to five cups of coffee a day does not affect the risk of developing coronary heart disease or causing an irregular heartbeat or arrhythmia.
However, some people are more sensitive to caffeine than others, and in these people, caffeine can cause heart palpitations, a feeling like the heart is pounding.
If this happens, you should limit your caffeine intake, or better yet, stop it altogether.
Feeling restless and anxious
Caffeine can sometimes cause effects similar to those of anxiety, including nervousness and rapid heart rate. If you drink too much, you may also experience caffeine-induced anxiety.
If you feel your heart beating fast or restless, reduce your coffee intake.
Research shows that caffeine increases alertness by blocking the brain chemical that makes you feel tired (adenosine), while also triggering the release of adrenaline, which increases energy.
If the amount of caffeine is high, these effects will be stronger, leading to symptoms of caffeine anxiety, according to health website Healthline .
According to Harvard Medical School, consuming too much caffeine can cause symptoms such as anxiety, restlessness, rapid heart rate, and gastrointestinal problems. If this happens to you, it's best to take a break from coffee.
trouble sleeping
Although recent research has shown that coffee drinkers sleep better than non-coffee drinkers, some people still have trouble sleeping when they drink coffee.
The American Academy of Sleep Medicine says the half-life of caffeine is up to five hours — that's how long it takes for the amount of caffeine to decrease by half, according to Healthline .
If you feel that drinking coffee makes it difficult to sleep, you should still prioritize sleep, according to Express .
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