Four cups of coffee is the perfect amount

A new study, which appeared recently in PLOS Biology, shows that a physiologically-relevant dose of caffeine protects cardiovascular cells from damage. That dosage amount? Approximately four cups.


Caffeine has long been associated with a reduced risk of Type 2 Diabetes, stroke, and heart disease. However, the link to these diseases was yet to be discovered. According to researchers Judith Haendeler and Joachim Altschmied, a mitochondrial protein, p27, may be the culprit. The protein is known to protect heart muscles from cell death, helping to repair the muscles after a heart attack. This research overturns the assumption that the elderly should avoid caffeine. This and over 100 studies have shown the beneficial aspects of coffee consumption in decreasing the risk of breast, colorectal, colon, endometrial, and prostate cancers.


Another recent study, this time conducted by NIH, showed that coffee consumption is related to a lower risk of all-cause mortality. The sample group included over 400,000 Americans aged 50 to 71. Another multinational study of over 500,000 Europeans confirmed the finding.


Coffee, however, should not be seen as a cure-all. Drinking four cups of coffee every day—the magical number—is not enough to give an individual’s sedentary lifestyle a pass. Regular exercise and a good diet still matter and may indeed be intervening variables in some of these studies. However, the shown statistical significance proves coffee’s ability to improve overall health. If you find yourself needing that fourth cup of coffee to make it to the end of your work day, go ahead and reach for it.


Read the original article at BigThink.

Wash reusable coffee cups after every drink, Public Health England warns

As the world becomes increasingly aware of environmental impact, individuals and communities have sought to reduce waste. From reusable water bottles and bags to brewing coffee at home, finding environmentally-friendly alternatives to standard one-time-use items is easier now than ever before. In fact, reusable coffee cup popularity has exploded in the past month; the English government plants to impose a 25p “latte tax” on disposable cups, and a number of major coffee chains have begun to offer special discounts for those who bring in their own travel mugs. These reusable coffee alternatives, however, may pose a separate risk—this time, to the individual’s health.

Public Health England has released a statement explaining that reusable travel cups must be cleaned after every use; failure to do so may result in the growth of potential harmful bacteria. The warning is directed at the rising number of office workers using reusable cups continuously throughout the day, often without washing them. Nick Phin, the deputy director for national infection service at PHE, said in the statement: “As with regular cups and glasses, wash and clean reusable cups thoroughly after every use.”

PHE explains that bacteria can grow when food or liquid builds up in the cup or around the mouthpiece—a particularly tricky section to clean. To hinder this buildup, the deputy director recommends filling the cup with soapy water, attaching the lid, and shaking for several seconds. This is especially important for coffee products containing dairy and sugar, as these add to the likelihood of growing potentially dangerous bacteria.


Read the complete, original article at The Telegraph.