Coffee and tea are incredibly healthy beverages and studies have also shown that it’s safe for most people when consumed in low-to-moderate amounts. However, high doses of caffeine may have unpleasant and even dangerous side effects.
Here are eight side effects of too much caffeine.
Although low-to-moderate doses of caffeine can increase alertness, larger amounts may lead to anxiety or edginess. Monitor your own response in order to determine how much you can tolerate. If you notice that you often feel nervous or jittery, it might be a good idea to look at your caffeine intake and cut it back.
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Caffeine can help you stay awake during the day, but it may negatively impact your sleep quality and quantity. Cut off your caffeine consumption by the early afternoon to avoid sleeping problems. Although coffee and tea are the most concentrated sources of caffeine, it is also found in soda, cocoa, energy drinks and several types of medication.
3. Digestive Issues
Although small to moderate amounts of coffee can improve gut motility, larger dosages may lead to loose stools or GERD. Reducing your coffee intake or switching to tea may be beneficial.
4. Muscle Breakdown
Rhabdomyolysis is a very serious condition in which damaged muscle fibers enter the bloodstream, leading to kidney failure and other problems. In addition, there have been several reports of rhabdomyolysis related to excessive caffeine intake, although this is relatively rare. People may develop rhabdomyolysis, or the breakdown of damaged muscle, after they ingest large amounts of caffeine. Limit your intake to 250 mg per day if you’re uncertain of your tolerance.
Despite all of caffeine’s health benefits, there’s no denying that it may become habit-forming. Even though the compound does not seem to cause true addiction, if you regularly drink a lot of coffee or other caffeinated beverages, there’s a very good chance you may become dependent on its effects.
6. High Blood Pressure
Overall, caffeine doesn’t seem to increase the risk of heart disease or stroke in most people. Caffeine seems to raise blood pressure when consumed at high doses or prior to exercise, as well as in people who rarely consume it. But this effect may only be temporary, so it’s best to monitor your response.
7. Rapid Heart Rate
The stimulatory effects of high caffeine intake may cause your heart to beat faster. Large doses of caffeine may increase heart rate or rhythm in some people. These effects appear to vary greatly from person to person. If you feel them, consider reducing your intake.
Although caffeine provides energy, it can indirectly lead to fatigue when its effects wear off. Aim for moderate caffeine intake to help minimize rebound fatigue.