Dear Alice:
I have noticed that whenever I eat certain sugary foods --
especially chocolates and hard candies -- I break out into a cold
sweat and feel extremely uncomfortable for about half an hour. I
have no problem, however, with pure cane sugar (when I drink
coffee or tea, for example). Is this a normal adrenaline reaction
to sugar, or a certain type of sugar?
--Candy Lover
Dear Candy Lover,
One of the reasons that you may have different reactions to
different sugary foods is that some sugars are sweeter than
others. Sucrose, which is table sugar and is in most sweets, is
1.0 on a relative sweetness scale. Invert sugar, sucrose broken
down into glucose and fructose, which is in hard candies and
honey, is 1.3 on a relative sweetness scale. Fructose, in fruit,
honey, and some soft drinks, is 1.7 on the sweetness scale--
almost twice as sweet as sucrose.
As far as your reaction to sugar, there is a "disorder" called
reactive hypoglycemia which is characterized by irritability,
nervousness, headache, sweating and confusion some 2-4 hours after
eating a meal high in simple sugars. These symptoms make sense in
the context that the brain is particularly dependent on glucose
for fuel. It is not clear what causes reactive hypoglycemia, but
it may be caused by the pancreas' overproduction of insulin in
response to rising blood glucose levels. To control your symptoms,
you guessed it-- cut down on the simple sugars! Try to eliminate
the chocolate and hard candies, or eat dietetic candies if you
need to, eat regular meals with some protein and fat in each, and
eat complex carbohydrates that contain ample soluble fiber--
fruits and vegetables for example. Fat, protein and soluble fiber
in the diet tend to moderate swings in blood glucose.
This week, there have also been some more general questions
dealing with sugar and its effects on your body. There is mixed
thinking on this. The middle of the road approach is that there is
nothing wrong with eating sugar, unless it is in place of other
more nutritious foods. If it is in place of other foods, a person
could become deficient in vitamins and other nutrients.
Dental caries are the main problem associated with a high sugar
intake. We have all heard the dentists' warnings about cavities--
brush your teeth after meals and after eating sweets. If that's
inconvenient, limit your intake of sweets or eat them with meals,
instead of in between meals or by themselves. This way, other
foods help to dilute and neutralize the acid that is produced by
bacteria on your teeth.
Again, according to the moderates, there is no credible research
that supports claims that sugar causes heart disease, diabetes, or
other problems. They stress moderation-- limit sugar intake to 10%
of your total kcalorie intake. That would allow 10 teaspoons (50
gms) on a 2000 kcalorie diet.
There are others who believe that sugar is the devil incarnate.
For their side of the story, read "Sugar Blues", available in your
local bookstores. Whoever you choose to believe, here are some
tips for reducing your dietary sugar intake:
At the supermarket
- Read ingredient labels. Identify added sugars in a product.
Select items lower in total sugar when possible.
- Buy fresh fruits or fruits packed in water, juice or light
syrup rather than in heavy syrup.
- Buy fewer foods that are high in sugar such as prepared baked
goods, candies, sweet desserts, soft drinks, and fruit-flavored
punches and drinks. Substitute vanilla wafers, graham crackers,
bagels, English muffins, and diet soft drinks, for example.
- Buy nuts (dry roasted), sunflower seeds, and air-popped popcorn
or baked tortilla chips to replace candy for snacks.
In the kitchen
- Experiment with spices such as cinnamon, cardamom, coriander,
nutmeg, ginger, and mace to replace sugar for sweetness and flavor
in foods. (This also works well with plain yogurt instead of
buying sweetened ones).
- Use home-made foods with less sugar whenever possible rather
than commercially prepared ones that are higher in sugar.
At the table
- Use less of all sugars-- including brown sugar, honey, molasses
and syrups.
- Reach for fruit instead of a sweet for dessert or for a snack.
- Add less sugar to your foods-- coffee, tea, cereal or fruit.
Get used to using half as much, then see if you can cut back even
more.
- Cut back on the number of sugared drinks. Substitute water,
fruit juice, or diet sodas.
- Alice
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