An apple a day really might keep the doctor away.


A new study in the British Medical Journal[1] using mathematical models suggests that if adults ages 50 and older were to eat an apple a day[2] , 8,500 heart attack and stroke deaths in the U.K. could be prevented each year.


In addition, the number of lives saved from eating an apple each day seems to be about the same as if people over age 50 were prescribed a cholesterol-lowering statin drug.


The study, conducted by researchers at the University of Oxford, involved mathematical modeling to compare lives saved from an apple a day, per the old and famous saying, and statin use among middle-aged people. They looked to see what would happen if they were to assign everyone ages 50 and older in the U.K. to either take a statin every day (if they weren't taking one already) or to eat an apple every day; they assumed a 70 percent compliance rate, and consistent calorie intake.


They estimated that an additional 17.6 million adults would then take a statin, based on their calculations, which would then result in 9,400 fewer deaths from stroke and heart attack. Meanwhile, if 70 percent of the U.K. population ages 50 and older ate an apple every day, it would result in 8,500 fewer deaths from stroke and heart attack.


However, the researchers noted that statins do carry risks, and prescribing statins to that additional number of people would lead to 1,000 more muscle disease cases (called myopathy) and more than 10,000 extra diabetes cases.


Controversial guidelines[3] recently issued by the American Heart Association and American College of Cardiology addressed statin use for the purposes of heart attack and stroke prevention[4] , and increased the number of people who would then meet the threshold for statin use (44 percent of men and 22 percent of women under the new guidelines, compared to 15 percent of adults right now), the Associated Press reported. However, those guidelines have been widely criticized by other doctors because they involved use of a risk calculator that some say overestimates risk.[5]


This isn't the first time health benefits have been linked with daily apple-eating. A 2011 study published in Stroke: Journal of the American Heart Association showed that stroke risk goes down 9 percent[6] for every 25 grams you eat of white-fleshed fruit a day (including apples and pears).



Also on HuffPost:




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  • Apples Lower Cholesterol


    One medium-sized apple contains about <a href="http://nutritiondata.self.com/facts/fruits-and-fruit-juices/1809/2" target="_hplink">four grams of fiber</a>. Some of that is in the form of pectin, a type of soluble fiber that has been linked to <a href="http://www.health.harvard.edu/newsletters/Harvard_Heart_Letter/2009/October/11-foods-that-lower-cholesterol" target="_hplink">lower levels of LDL or "bad" cholesterol</a>. That's because it <a href="http://www.webmd.com/heart/news/20110412/apple-good-for-your-heart" target="_hplink">blocks <em>absorption</em> of cholesterol</a>, according to WebMD, helping the body to use it rather than store it.

    <em>Flickr photo by <a href="http://www.flickr.com/photos/steenbergs/5003036427/" target="_hplink">Steenbergs</a></em>




  • Apples Keep You Full


    Apple's wealth of fiber can also keep you feeling full for longer without costing you a lot of calories -- there are about 95 in a medium-sized piece of fruit. That's because it takes our bodies longer to digest complex fiber than more simple materials like sugar or refined grains. Anything with at least <a href="http://www.huffingtonpost.com/2012/05/29/high-fiber-foods_n_1543165.html#slide=1019942" target="_hplink">three grams of fiber is a good source</a> of the nutrient; most people should aim to get about <a href="http://books.nap.edu/openbook.php?isbn=0309085373 " target="_hplink">25 to 40 grams a day</a>.

    <em>Flickr photo by <a href="http://www.flickr.com/photos/joe57spike/5937593705/" target="_hplink">byJoeLodge</a></em>




  • Apples Keep You Slim


    One component of an apple's peel (which also has most of the fiber) is something called ursolic acid, which was <a href="http://www.sciencedaily.com/releases/2012/06/120620212855.htm" target="_hplink">linked to a lower risk of obesity</a> in a recent study in mice. That's because it <a href="http://www.huffingtonpost.co.uk/2012/06/21/apple-peel-compound-boosts-calorie-burning-reduces-obesity-in-mice_n_1614858.html" target="_hplink">boosts calorie burn and increases muscle and brown fat</a>, HuffPost UK reported.

    <em>Flickr photo by <a href="http://www.flickr.com/photos/kasilof/5082397989/" target="_hplink">PLR_Photos</a></em>




  • Apples Prevent Breathing Problems


    Five or more apples a week (<em>less</em> than an apple a day!) has been linked with <a href="http://www.health.com/health/gallery/0,,20405639_3,00.html" target="_hplink">better lung function</a>, <em>Health</em> magazine reported, most likely <a href="http://news.bbc.co.uk/2/hi/health/1343502.stm" target="_hplink">because of an antioxidant called quercetin</a> found in the skin of apples (as well as in onions and tomatoes), the BBC reported.

    And the breath benefits of apples extend even further: A 2007 study found that women who eat plenty of the fruit are <a href="http://www.reuters.com/article/2007/04/12/us-apples-asthma-idUSCOL25916220070412" target="_hplink">less likely to have children with asthma</a>.

    <em>Flickr photo by <a href="http://www.flickr.com/photos/londonlooks/5011156498/" target="_hplink">London looks</a></em>




  • Apples Fight Colds


    While they don't quite rival <a href="http://www.huffingtonpost.com/2012/04/27/vitamin-c-foods_n_1457397.html" target="_hplink">oranges</a>, apples <em>are</em> considered a good source of immune system-boosting vitamin C, with over <a href="http://nutritiondata.self.com/facts/fruits-and-fruit-juices/1809/2" target="_hplink">8 milligrams per medium-sized fruit</a>, which amounts to roughly 14 percent of your daily recommended intake.

    <em>Flickr photo by <a href="http://www.flickr.com/photos/free-stock/4899674251/" target="_hplink">Public Domain Photos</a></em>




  • Apples May Fight Cancer


    In 2004, French research found that a chemical in apples <a href="http://www.webmd.com/cancer/news/20041018/apple-day-for-cancer-prevention" target="_hplink">helped prevent colon cancer</a>, WebMD reported. And in 2007, a study from Cornell found additional compounds, called triterpenoids, which seem to <a href="http://www.sciencedaily.com/releases/2007/06/070601181005.htm" target="_hplink">fight against liver, colon and breast cancers</a>.

    <em>Flickr photo by <a href="http://www.flickr.com/photos/21524179@N08/2086139540/" target="_hplink">nerissa's ring</a></em>




  • Apples Decrease Diabetes Risk


    A 2012 study published in the <em>American Journal of Clinical Nutrition</em> found that <a href="http://ajcn.nutrition.org/content/early/2012/02/20/ajcn.111.028894.abstract?sid=27948d70-4410-4250-8df4-da2a5954918d" target="_hplink">apples, as well as pears and blueberries</a>, were linked with a <a href="http://www.huffingtonpost.com/2012/07/31/curcumin-diabetes-type-2-turmeric-curry-spice_n_1720326.html#slide=1302487" target="_hplink">lower risk of developing type 2 diabetes</a> because of a class of antioxidants, <a href="http://www.sharecare.com/question/what-are-anthocyanins" target="_hplink">anthocyanins</a>, that are also responsible for red, purple and blue colors in fruits and veggies.

    <em>Flickr photo by <a href="http://www.flickr.com/photos/oth313/1760303362/" target="_hplink">oth313</a></em>




  • Apples Boost Brain Power


    The fruit has been linked to an uptick in acetylcholine production, <em>Good Housekeeping</em> reported, which communicates between nerve cells, so <a href="http://www.goodhousekeeping.com/health/nutrition/apple-health-benefits" target="_hplink">apples may help your memory</a> and lower your chances of developing Alzheimer's.

    A diet rich in antioxidants may have similar effects, so apples, since they are <a href="http://www.sciencedaily.com/releases/2004/11/041116215006.htm" target="_hplink">particularly rich in quercetin</a>, are a good bet, according to 2004 research.

    <em>Flickr photo by <a href="http://www.flickr.com/photos/olmanson/3971847536/" target="_hplink">Shaina Olmanson / Food for My Family</a></em>




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