health

Multiple Capsules Could Be Causing Stomach Pains

On Nutrition by by Ed Blonz
by Ed Blonz
On Nutrition | September 2nd, 2014

DEAR DR. BLONZ: My husband and I eat a good diet, doing our best to eat many different foods and lots of fruits and vegetables. We recently began taking a multivitamin packet of pills, along with a separate calcium, magnesium and zinc supplement, every morning with our breakfast. Soon after starting this practice, my husband started experiencing nausea an hour or two after taking the pills. I have not experienced this problem. He discontinued taking them, then tried them again a month later and experienced the same discomfort.

Is there a particular vitamin or mineral that you know of that could be doing this? His diet is not as healthful as mine, so I believe he should continue to take some sort of supplement. -- P.J., San Diego

DEAR P.J.: First, my compliments on your attempts to eat a healthful diet. While uncommon, some individuals do experience mild nausea or some other untoward gastrointestinal reaction after taking a multivitamin supplement, particularly if there are many pills involved. There may not be a particular nutrient responsible here; rather, it could be the fact that you are taking a number of pills and capsules all at the same time. When they dissolve together, they can irritate the stomach.

Check the potency to make sure that you are not getting well over the Daily Value for the nutrients. If some of the nutrients are exponentially high, your husband might try a product that provides no more than 100 percent to see if that tones down the reaction.

If one is taking a supplement, it makes sense to take it with, or after, a meal -- and the more complete the meal, the better. If breakfast in your house is typically small, you might consider taking your supplements with a meal that has a better showing of the food groups, or splitting the pills between two meals.

Whatever you decide, always remember that vitamin and mineral pills are meant to supplement a healthful diet, not replace it. This is only affecting your husband, so here are some other questions to consider: How well does he eat during the rest of the day? Does he experience indigestion at other times? Could there be a predisposing stress element involved here? How about his exercise/activity habits? All these factors can contribute to a vulnerability to digestive issues. The National Institutes of Health has a good discussion of indigestion at tinyurl.com/3do3ld. And here is a link to a page offering tips for buying multivitamins: tinyurl.com/pwngld8.

DEAR DR. BLONZ: Thank you so much for your clear, scientifically based, helpful comments about smoking cessation. These days, there is so often a promulgation of nonsense "tips" like colon cleansing. -- R. Oehm, cardiologist

DEAR DR. OEHM: Thanks for your note. As a physician, you understand that the cells that make up the lining of our intestines are constantly being replaced. As reported in the March 2009 Annual Review of Physiology, there is a change in this layer of cells every four to five days! The idea that toxins are caked onto these cells, and that they hang around for months or years to wreak havoc with our health, is baseless. There remains, however, that subculture that opts for the archaic flushing procedure with the promise that it can provide just about any beneficial health effects that one might seek.

The whole foods and fiber we eat determine how well our digestive and elimination systems work, and they should be viewed as an essential part of our daily diet. The message here is that it is our diet and lifestyle, not colon cleanses, that contribute to our overall state of health.

Send questions to: "On Nutrition," Ed Blonz, c/o Universal Uclick, 1130 Walnut St., Kansas City, MO, 64106. Send email inquiries to questions@blonz.com. Due to the volume of mail, personal replies cannot be provided.

health

Lead Poisoning: Know the Risks

On Nutrition by by Ed Blonz
by Ed Blonz
On Nutrition | August 26th, 2014

DEAR DR. BLONZ: I am concerned about lead poisoning. What is the best way to check for lead in paint? Our vacation rental is in a dated cottage and there is a powdery deposit on the walls. The rental agency doesn't know the answer. Our dog is with us, and we are also concerned about him. I need to find out more about what goes wrong with lead and how to find out discreetly whether there is a problem. -- S.R., San Diego

DEAR S.R.: The most immediate step is to find out whether there is lead on the walls. There are a number of lead-check products, some of which will probably be available at a local hardware store. I have used LeadCheck swabs (leadcheck.com) by 3M, but there are a number of products that can provide the information you need. They all involve a liquid swab with an indicator substance that turns a certain color when lead ions are present. It is a simple, straightforward test that can be used on any surface, and one that will let you know instantly -- and discreetly -- whether the powdery deposit on the walls in your rental represents a risk. These swabs can also be used to test for lead in any other items, such as chew toys used by the dog.

You are right to be concerned. Lead can enter the body in a number of ways, the most common being the consumption of substances containing lead, or the inhalation of lead in dust. If the walls have leaded paint, powder from the paint can drop to the floor; every time the floor is swept, the lead can become airborne, presenting an increased risk of inhalation. Lead poisoning in children, for example, is often related to the consumption of leaded paint chips that peel off the walls, or by putting hands or toys with lead dust on them in their mouths. In adults, common sources are leaded water pipes, leaded pottery used for cooking or eating, leaded food-storage containers, or working in industries where lead-containing compounds are used.

Aside from testing kits for the suspect items, there is a blood test that can determine if excessive lead has entered the body. A physician can provide a more precise evaluation. The good news is that the body is able to rid itself of lead; the bad news is that it does so slowly. The issue is that if you are in a lead-contaminated environment, the lead comes in faster than the body can eliminate it. That means the essential first step is to stop the exposure.

The symptoms of lead poisoning in adults are varied, including anemia, fatigue, depression, hypertension (high blood pressure), heart failure, abdominal pain, gout, kidney failure, wrist or foot weakness or reproductive problems. In children, lead poisoning symptoms include anemia, fatigue, decreased appetite, digestive problems, sleeplessness, learning problems and lowered I.Q. The Environmental Protection Agency has an excellent "Learn about Lead" page at tinyurl.com/ohsk2z5.

In dogs, the symptoms of lead poisoning include distinct changes in their nervous and digestive systems, including seizures, uneven gait, colic and vomiting. Consult your veterinarian if you have any questions. You can find more about lead poisoning in dogs at tinyurl.com/nl3qed6 and tinyurl.com/32r4uj.

Send questions to: "On Nutrition," Ed Blonz, c/o Universal Uclick, 1130 Walnut St., Kansas City, MO, 64106. Send email inquiries to questions@blonz.com. Due to the volume of mail, personal replies cannot be provided.

health

Most Fat Sources Contain Multiple Types

On Nutrition by by Ed Blonz
by Ed Blonz
On Nutrition | August 19th, 2014

DEAR DR. BLONZ: Is there saturated fat in fish? My impression was that the fats in fish are highly unsaturated. -- F.S., Des Moines, Iowa

DEAR F.S.: Naturally occurring fats and oils are a mix of saturated, monounsaturated and polyunsaturated fatty acids. The type that is most prevalent in any given food is the one that generally gets associated with it. Olive oil, for example, is thought of as monounsaturated, but 10 percent of the fats in olive oil are saturated, and 13 percent are polyunsaturated. Now what about lard? The very mention makes one think "saturated," but with lard, the predominant fat (approximately 45 percent) is actually monounsaturated. Another 11 percent of the fat in lard is polyunsaturated, with 39 percent being saturated.

Fish are generally thought of as sources of polyunsaturated (often omega-3) fats, but they contain saturated and monounsaturated fatty acids as well. The percent breakdown depends on the variety. You can search the USDA database (ndb.nal.usda.gov) for the details.

DEAR DR. BLONZ: A number of people in my office rely on guarana pills for alertness and better concentration on the job. One has even said that guarana helps with impotence. What are your thoughts? -- S.E.D., Phoenix

DEAR S.E.D.: Guarana comes from the seeds of the South American shrub with the same name. The effects you mention, relating to alertness and concentration, have to do with the substance named guaranine, which is usually known by its more common name: caffeine. Yes, that's right: It's caffeine that's responsible for the pharmacologic effects of guarana. On a weight basis, there is more caffeine in guarana than there is in the coffee bean, the kola nut, mate or cacao (cocoa).

There is no standard concentration of caffeine in the guarana extracts used in dietary supplements. Read the label or check with the manufacturer to see how many milligrams of caffeine there are in a serving of any guarana-containing product. Use guarana as you would other sources of caffeine. There is no support, at least none that I could locate, regarding guarana as a "cure" or treatment for impotence.

DEAR DR. BLONZ: Is there a health difference between steel-cut oatmeal and longer-cooking oatmeal? Does the preparation make a health difference, too? I prepare mine by putting both the oatmeal and the water in at the same time and then cooking. -- O.M., San Jose, California

DEAR O.M.: There is no difference in health or nutrition composition between steel-cut and traditional long-cooking oatmeal. The same goes for quick-cook oats. It is the cut of the oats and the speed in which they cook, not the oats themselves, that are different. One half-cup (40 grams) of the dry oats in any of those cuts will contain about 3 grams of fat, 5 grams of protein, 27 grams of carbohydrate, 4 grams of fiber, and no sodium. Your method of preparation sounds fine.

Send questions to: "On Nutrition," Ed Blonz, c/o Universal Uclick, 1130 Walnut St., Kansas City, MO, 64106. Send email inquiries to questions@blonz.com. Due to the volume of mail, personal replies cannot be provided.

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