bucket of apples
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Core Benefits

The old cliché exists for a reason: An apple a day benefits your whole body in multiple ways. One of the most widely grown and eaten fruits in the world, they come in more than 7,500 varieties. They are healthiest when you eat them fresh and whole (as opposed to pre-sliced, juiced, or as applesauce). A medium one has about 80 calories, 1 gram of protein, 19 grams of natural sugar, and zero fat, sodium, or cholesterol. 

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washing apple
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Don’t Peel the Peel

That’s where apples store two-thirds of the fiber that keeps your digestive system on track. The shiny skin also holds lots of antioxidants, or natural substances that help protect your cells from some of the damage that may lead to cancer, heart disease, and stroke. If you’re concerned about pesticides, give it a good wash before you sink your teeth into its sweet flesh. 

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brain activity
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Memory and Alzheimer’s

Apples have more of the plant pigment quercetin than most other fruits and vegetables. This plant-derived chemical called a flavonoid protects cells throughout your body, including the ones in your brain. These fruits are also high in antioxidants that may help offset the memory loss caused by various types of damage to your cells. One small study suggested that apple juice improved the mood and behavior of people with moderate to severe Alzheimer’s disease

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pancreas
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Pancreatic Cancer Prevention

Flavonoids give apples their color, protect them from harmful elements in the environment, and repair damage to their skin and cells. These natural chemicals may be good for you, too. Quercetin, which can help brain cells, protected pancreas cells from cancer in lab studies and holds promise to help people, too. Research is ongoing. 

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glucometer
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Type 2 Diabetes

Your pancreas plays a key role in processing the sugar in your bloodstream. The flavonoids in apples may help keep the cells in your pancreas healthy and able to perform this important job. That may help lower your risk for type 2 diabetes. In one 9-year study, people who ate one or more apples a day were 28% less likely to get type 2 diabetes than those who didn’t eat them. 

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scale
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Weight Control

One medium apple has 3 grams of fiber. This nutrient slows down your digestion and helps you feel fuller longer. These fruits also have a low glycemic load, which means they won’t spike your blood sugar too high and trick you into thinking you’re still hungry. These satisfying effects can keep you from snacking and help you maintain your weight. 

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intestines
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Colorectal Cancer

One group of researchers found that people who ate at least one apple a day were a third less likely to get colon cancer than those who did not. The healthy helping of both fiber and flavonoids may help protect the lining of the intestines and keep the cells healthy.

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gut bacteria
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Gut Health

Apples are a natural source of pectin, a soluble fiber that moves food through your digestive system and keeps you regular. Bonus benefit: Your good gut bacteria love to feed on pectin. Some experts think that pectin helps the good bacteria multiply, which may help ward off some chronic diseases and cancer in the gut.

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ldl cholesterol test
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Heart Health

In lab studies, the combination of plant chemicals, pectin, and fiber in apples helped protect heart and blood vessel cells from damage. The pectin and fiber can also help lower LDL or "bad" cholesterol that can build up in your arteries and lead to heart disease.
 

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man using inhaler
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Asthma and Lung Function

Apples, like other fruits and vegetables, have natural anti-inflammatory and antihistamine properties, which means they may help take a bite out of asthma and other breathing problems. One study of women who ate apples while pregnant showed that their children were less likely to have symptoms of asthma and wheezing by age 5. Some studies show that people who eat more fruits and vegetables are less likely to have asthma. 

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immune system
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Immunity

They can’t compete with oranges, but apples have 10% of the vitamin C you need every day. That plus the soluble fiber you get from pectin makes this fruit a delicious defense against any germ that attacks your immune system. And if you do get sick, apples may even help you bounce back quicker. 

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apple seeds
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Steer clear of Seeds

For all its health benefits, one part of this fruit is forbidden -- in large quantities, that is. The seeds contain amygdalin, a compound that becomes cyanide in your body. If you accidentally eat a seed, it won’t poison you -- your body can detoxify small amounts of cyanide on its own. You’d have to chew seeds from many apples at once very carefully to release enough amygdalin in your system to be harmful. 

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Sources | Medically Reviewed on 10/27/2020 Reviewed by Melinda Ratini, DO, MS on October 27, 2020

 

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SOURCES:

Harvard T.H. Chan School of Public Health: “Apples.” 

University of Illinois Extension: “Apples and More.”

Mayo Clinic: “Slide Show: Add Antioxidants to your Diet,” “Get your fill of fall superfoods.” 

Cleveland Clinic: “Organic Foods,” “Is Chocolate Good for Your Heart?”

Geisinger Health: “Cleaning up the dirty dozen: How to wash fruits and veggies.” 

US Apples: “Apple Health Benefits.”

MD Anderson Cancer Center: “How high fiber foods can help lower your cancer risk.”

UC Davis Health: “Checkup on Health: Apples offer some surprising health benefits.”

US National Library of Medicine, National Institutes of Health: “Effects of Fruit and Vegetable Consumption on Risk of Asthma, Wheezing and Immune Responses: A Systematic Review and Meta-Analysis.”

Fisher Center for Alzheimer’s Research Foundation: “An Apple a Day for Alzheimer’s.”

Food Revolution Network: “Apple Facts You Need to Know About: Benefits, Concerns & the Best Ways to Enjoy Them.”

Reviewed by Melinda Ratini, DO, MS on October 27, 2020

This tool does not provide medical advice. See additional information.

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.