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Michael Rothman MD Articles

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Why Fruit May Not Be So Good For You

Imagine you have an apple in front of you. You peel away the skin. What happens to the rest of the apple?

It turns brown within a few minutes.

What happened?

The sugar in the apple (called fructose) combined with the oxygen in the air. This is called the “browning reaction” in biochemistry.

How come this only happens when you peel the apple?

The skin of the apple contains micronutrients called “anti-oxidants”. These special nutrients protect the apple from oxidative stress. They also protect you from oxidative stress.

What about the rest of the apple?

The rest of the apple is fructose (fruit sugar) and a little bit of fiber.

Isn’t fructose the good sugar?

Sugar is sugar, and in fact fructose will raise your blood sugar faster than processed table sugar (glucose).

How come everybody says that fruit is “good for you” and we are supposed to eat 5 servings a day?

Everybody also thought the earth was flat at one point. Often times the “common knowledge” of the day is driven more by politics and money than by science or reality.

But isn’t fruit natural and therefore must be good for you?

Actually most of the fruits that you find in the supermarket are NOT natural. They are man made hybrids, designed to be very juicy and tasty. They were genetically modified to be high in sugar.

Did you ever eat a “crabapple”?

Crabapples are not very juicy and very sour. This is a natural apple, not very tasty, not sweet at all. Most fruit would be closer to the crabapple if not for man made hybrids.

Aren’t fruits high in potassium? And isn’t that good for you?

Yes, fruits are high in potassium, but while potassium may be good for some people, it may not be good for you.

Potassium is the most potent stimulator of the parasympathetic nervous system (PNS). Over stimulation of the PNS can lead to allergies, fatigue, hypoglycemia, asthma, depression, low blood pressure and many other symptoms.

If you suffer from any of the above, you may be better off avoiding fruit (and other macro and micronutrients that increase PNS activity).

So, if you are overweight, diabetic, suffer from sinus problems, nasal congestion, asthma, hypoglycemia, anxiety, depression, high blood pressure, high cholesterol or fatigue, you may want to try cutting down or avoiding fruit and fruit juices.

An apple a day may be OK. But more is not necessarily better.

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