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The Biomedical Engineering blog is the place for conversation and discussion about topics related to engineering principles of the medical field. Here, you'll find everything from discussions about emerging medical technologies to advances in medical research. The blog's owner, Chelsey H, is a graduate of Rensselaer Polytechnic Institute (RPI) with a degree in Biomedical Engineering.

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The Dangers of Fruit

Posted November 17, 2015 12:00 AM by Chelsey H

During the holidays apple pie starts replacing actual apples in many of our diets. In order to hold off on gaining a few extra holiday pounds it's a good idea to replace a snack of left over Halloween candy with a piece of fruit. But can too much fruit actually be a problem?

Fruit is loaded with fiber, vitamins, antioxidants, and (if you believe hard enough) they can satisfy your sweet tooth. But if you don't watch your intake, you could be overloading on sugar without even realizing it. Image Credit: cooking.lovetoknow.com

According to Brigitte Zeitlin, a dietitian at B-Nutritious, even though the sugar, known as fructose, is coming from a healthy source, it still needs to be moderated. Fructose, the only type of sugar found in fruits, is metabolized in the liver, as opposed to in the blood stream. Most people have felt the effect of a sugar high. And too much glucose, a sugar commonly found in refined carbohydrates such as white-flour baked goods, is a known precursor to type 2 diabetes.

Fruit juices are also problematic. Since juice is liquid it doesn't have to go through as much processing before it hits your bloodstream, where it can spike your sugar levels. If you must drink juice, try one watered-down glass a day.

Zeitlin notes that fructose can also play a role in diabetes. "Your liver turns any excess sugar intake into triglycerides that get stored in fat cells throughout the body," says Zeitlin. "The more sugar you eat, the more fat you store." Too much fructose can lead to a buildup of visceral belly fat that has been linked to type 2 diabetes. Image Credit: diet-blog.com

Please be aware that no one is recommending you stop eating fruit! Not only is it delicious, but it also provides nutrients and vitamins that our bodies need - it is also always a better option than candy, baked goods, or highly processed packaged snacks. This article is recommending that people try to keep their fruit consumption to two servings of fruit per day (maybe three) and go easy on juices.

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#1

Re: The Dangers of Fruit

11/17/2015 9:24 AM

Unlimited fresh fruit is still better than limited potato chips. We have a long ways to go before we worry that people eat too much fresh fruit.

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#2

Re: The Dangers of Fruit

11/17/2015 9:46 AM
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#4
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Re: The Dangers of Fruit

11/18/2015 6:06 AM

Sugar is dangerous, Wheat and rice are also dangerous because they have high carbohydrates. Milk, butter and ghee are all dangerous as they raise your cholesterol level. Now fruits have joined the danger list. An apple a day keep the doctor away. It looks like only 'An Apple' not more.

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Re: The Dangers of Fruit

11/18/2015 8:58 AM

Sugar is dangerous ( agreed) there is no function of the human body that required sugar even the only previously thought use of sugar in the brain has been realized to be false, ketone's are the brain's choice made from or derived from fat & cholesterol and in cases of famine body tissue as a means of survival. If you do not consume sufficient cholesterol your body takes what is available and stores it for possible later use in such places as the arteries. Remember the brain is very high in cholesterol. Grains that are high glycemic are also dangerous due to the rapid conversion into glucose. The apple a day saying came from the era of about 1880's and was quite true at that time however it now takes from 19-30 apples to gain the nutrition of one apple from that time. Many fruits are massively sprayed with chemical cocktails and some of these chemicals penetrate the fruit skin making it impossible to avoid the contamination. Fructose is the single most dangerous sugar you can consume and well documented. I would suggest that an apple pie with a less refined crust made with quality animal fat and minimum sugar with a good dose of Cinnamon should be a nice treat with minimum damage.

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Re: The Dangers of Fruit

12/21/2015 4:51 PM

There are several misleading and/or positively untrue statements in that dissertation. It would not be acceptable to present that to students of biochemistry.

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Re: The Dangers of Fruit

12/21/2015 5:42 PM

Depends on the truth in what the student was taught. Many students of biochemistry have become doctors and researchers then learned in clinical practice that what was taught in school is not necessarily true. We were taught for 60 years that trans fats were healthy and saturated animal fat was dangerous to the demise of millions of souls and their dollars. With that last statement there is a huge variation in fats labeled as good and bad. Truth is sometimes hard to come by especially when money is involved.

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Re: The Dangers of Fruit

12/22/2015 3:10 AM

I am disappointed. I thought you might justify your dissertation with references rather than produce another load of flannel. Take a deep breath and say after me: "The evidence that 'ketone's are the brain's choice made from or derived from fat & cholesterol' is as follows...' (I leave it to you to fill in the rest of the sentence. At the same time you may also explain the reason for the ' in ketone's).

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Re: The Dangers of Fruit

11/18/2015 1:41 AM

Alchohol and fruit juice. The silent killer.

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Re: The Dangers of Fruit

11/18/2015 9:16 AM

Especially when a steering wheel is thrown into the mix. Many people are under the delusion that the sweet, fruity mixed drinks don't 'hit them' as hard as the more traditional boozes, so they leave the bar/party more impaired than they think they are.

Seriously, when will people realize that 'impaired thinking' also means 'impaired ability to know your own thinking is impaired.' That's why, if I'm driving anytime before the next full nights sleep, my alcohol intake is zero, so booze, no beer, no hard cider, not even a cordial cherry(1). The only exception is mouthwash and breath spray, and those are used sparingly.

Notes:

  1. My aunt makes cordial cherries from scratch, and she soaks the cherries in Amarillo for DAYS. I tell people that she doesn't make 'cordial' cherries, she makes 'overly familiar' cherries.
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#7
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Re: The Dangers of Fruit

11/21/2015 1:17 AM

Your aunt is polite to a fault.

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#8
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Re: The Dangers of Fruit

11/23/2015 9:33 AM

The fault is that the cherries go BEYOND 'polite.'

This may me a case where the metaphor in the joke does not translate well:

"Cordial" is like a kiss on the cheek at a party.

"Overly Familiar" is like being grabbed in a very personal area, while in front of the other partygoers. (It's hard to describe properly, since I try to keep my comments on public forums to 'PG'/'Family Friendly' language.)

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