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Are you drinking coffee? Beware

We all love coffee whether it is our most tired moment or to give sleep a rest for a whole night or to keep ourselves in a good mood but do you know what can it do to your body if exceeded by a limit of 4 cups

Let’s see :

  • It increases anxiety and disrupts sleep patterns, leading to a vicious cycle of restless sleep, relying on caffeine to help with daytime fatigue, followed by more insomnia.
  • Caffeine interacts with some medications, including thyroid medication, psychiatric and depression drugs, the antibiotic Cipro and the heartburn drug Tagamet.
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  • It increases blood sugar levels, making it harder for those with type 2 diabetes to manage their insulin, according to a number of studies; it also can slightly raise blood pressure. If you have difficulty controlling either your blood pressure or diabetes, switching to decaf may help, says Rob van Dam with Harvard’s School of Public Health.

Caffeine Counts

The amount of caffeine in a particular coffee drink depends on the brew and beverage size:

  • Restaurant espresso (1 oz.) 40-75 mg
  • Instant coffee (8 oz.) 27-173 mg
  • Typical brewed coffee (8 oz.) 95-200 mg
  • McDonald’s brewed coffee (16 oz.) 100 mg
  • Starbucks brewed coffee (16 oz.) 330 mg

Source: Mayo Clinic.

  • Caffeine potentially leads to some spinal bone loss in postmenopausal women if they typically drink more than three cups, or 300 mg of caffeine, a day, but don’t get enough calcium in their diet, says Linda Massey, emeritus professor of nutrition at Washington State University. An older woman should make sure she gets at least 800 mg of calcium daily — through food or supplements — to offset caffeine’s effect on calcium, adds Bess Dawson-Hughes, M.D., director of the Bone Metabolism Laboratory at Tufts University in Boston.
  • Coffee’s not your friend if you’re prone to heartburn. Coffee is highly acidic and is irritating to the gastrointestinal tract. Switching to decaf won’t help: In fact some research has found that decaf increases stomach acid even more than caffeinated coffee. Neither will switching methods of brewing or roasting. Avoiding coffee is the only solution.
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  • Caffeine’s not your friend if you have acid reflux. Caffeine seems to be the main culprit by relaxing the sphincter muscle that normally keeps stomach acid from bubbling up the esophagus. Decaf coffee has significantly less of a reflux effect, studies have found.


Because caffeine is a diuretic, or a substance increasing urine production, drinkers of regular coffee are at risk of dehydration, the University of Arizona Campus Health website says. Engaging in vigorous exercise or living in an arid climate may make you especially sensitive to the dehydrating effects of coffee. Coffee consumers should make an effort to drink water or other caffeine-free beverages to stay fully hydrated, especially during and after exercise.

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