5 Surprising Coffee Studies

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1. Drinking coffee can preserve your vision
According to an April 2014 study published in the Journal of Agricultural and Food Chemistry, the chlorogenic acid found in raw coffee is a strong antioxidant that helps prevent retinal degeneration in mice. What they found suggests that drinking coffee may help prevent deteriorating vision and possibly blindness caused by conditions such as aging, glaucoma and diabetes.

2. Too much coffee can be deadly
This study published in August 2013 in the Mayo Clinic Proceedings journal shows that men under the age of 55 who drank more than 4 cups of coffee per day were 56 percent more likely to die from any cause of death. Women in the same age range with heavy coffee consumption were twice as likely to pass away. 

3. Coffee drinkers are less likely to develop depression
Women who drank four or more cups of coffee per day showed that they were 20 percent less likely to develop depression than non-coffee drinking women in this September 2011 study published in the Archives of Internal Medicine

4. Coffee consumption before exercise can help burn more calories
This June 2014 study from the International Journal of Sport Nutrition and Exercise Metabolism looks into the effects of drinking caffeinated coffee before working out. They found that athletes who consumed coffee before their workout burned approximately 15 percent more calories for three hours after exercising than those who drank decaf. 

5. Drinking coffee before your nap can help you feel more awake
"Coffee naps" have been a hot topic lately, as it has been shown that drinking coffee before a 20 or 30 minute nap can help you stay awake and alert longer than if you only drank coffee or took a nap. This article has more information on why you should try drinking coffee before your nap.