The Pros And Cons Of Coffee
If you're reading this, you're probably pretty familiar with popular caffeinated beverage known as coffee. In fact, you may be sipping on a cup of it right now!
Approximately 1.6 billion cups of coffee are consumed worldwide every day, and while people in Finland are actually the world's biggest consumers of coffee, we Americans are pretty big coffee lovers ourselves.
80 percent of Americans take some form of caffeine every day, and 65 percent of American adults drink coffee, meaning that coffee accounts for about 75 percent of our overall caffeine intake. A full 68 percent of American coffee drinkers also admitted to being hooked on it!
Meanwhile, 75 percent of Australians consume at least one cup of coffee a day, with 28 percent of those consuming three or more cups per day. One in four Australians also claim they cannot get through the day without coffee, and 88 percent admit to drinking it at least occasionally.
The average amount of coffee each American coffee drinker consumes per day is 300 mg, which amounts to between two and four cups. The thing that makes it confusing is that the caffeine content of coffee can vary greatly with the kind of coffee it is and how it is prepared. For example, a Grande cup of Starbucks coffee can contain over twice as much caffeine as a slightly smaller cup of homemade instant!
However, the FDA recommends not consuming more than 400 mg of caffeine per day, and there's plenty of good reasons that they do. Exceeding this amount, which will generally be contained in two or three cups, may lead to insomnia, increased heart rate, anxiety, irritability, or upset stomach. People who are sensitive to coffee may experience these symptoms after indulging in a much smaller amount, so there's no reason to drink it if you do.
It's also possible to become physically dependent on coffee, in which case you might experience withdrawal symptoms like headache, fatigue, drowsiness, depression, irritability, concentration difficulties, nausea, and vomiting when you stop drinking it. The good news is that these symptoms tend to be relatively mild and will usually go away after a day or so.
Coffee and other caffeine containing beverages can raise blood pressure, especially in people who don't usually drink it, and thus may be dangerous to people with preexisting blood pressure or heart problems or who are also on other stimulants.
Coffee should be avoided be people with gout, in whom it can trigger an attack, and those who are pregnant or trying to conceive. Caffeine intake can negatively affect fertility by impairing muscular activity in the Fallopian tubes, and has been linked with low birth weight and increased gestational length if consumed in excess during pregnancy.While official recommendations indicate that less that 200 mg of caffeine per day is probably safe to consume while pregnant, one mouse study showed that even small doses of caffeine consumed by pregnant mothers seemed to affect the heart of their offspring. Additionally, while a little caffeine seems to be fine while breastfeeding, large amounts could pass from a mother's milk to a baby's bloodstream. Experts also recommend that children consume either very limited quantities of caffeine or none at all, since we aren't yet sure how caffeine affects their developing brains.Coffee can also reduce the absorption of certain medications and certain vitamins and minerals, most notably iron and calcium. So, it may be a good idea to avoid having caffeine too close to the time you eat your meals or take any meds or supplements. You may also want to compensate with extra intake if you're a heavy coffee drinker.Finally, though we tend to forget this because coffee has become so socially acceptable, caffeine is actually a drug, which means there is a such thing as a caffeine overdose. This is relatively rare, and usually involves caffeine powder, pills, or dangerously high-powered energy drinks rather than good old coffee.
However, pure caffeine, which contains in a single teaspoon the amount of caffeine one would get in 28 cups of coffee, has been associated with at least two deaths. In rare cases, caffeine overdose can also lead to rhabdomyolysis, a dangerous condition that occurs when a breakdown of muscle tissue damages the kidneys.Though coffee is the quintessential caffeine source, caffeine is also found in tea, soft drinks (particularly energy drinks), and chocolate. It is also found in some prescription and over-the-counter drugs, such as cold, allergy and pain medications. Lately, caffeine infused gum and a few other more unusual caffeine sources are beginning to hit the market, such as caffeine-infused oatmeal, waffles, and even beef jerky.
If you dislike the taste of coffee or are sensitive to the effects of caffeine but still want to get a little buzz on now and again, most kinds of tea have about half as much caffeine as coffee and plenty of their own health and metabolism benefits.
Finally, don't forget that if you're dumping copious amounts of sugar or milk into your coffee, you're basically canceling out all of its potential health benefits and almost certainly getting in the way of your weight loss goals. Black is always best, but if you have to use creamer, use skim, almond, or coconut milk rather than full fat, and chose a healthy artificial sweetener like stevia rather than disastrous sugar.

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