health

Meal-Replacement Bars Not a Long-Term Solution

On Nutrition by by Ed Blonz
by Ed Blonz
On Nutrition | February 12th, 2013

DEAR DR. BLONZ: My partner and I are having an ongoing discussion over his diet. He eats one of those "meal-replacement" bars for breakfast and lunch, has a piece of fruit every now and then, and eats nothing that great for dinner. He thinks he has nutrition covered. I tell him that the meal replacement bars are not a substitute for real food, but the fact that he is active, in good health and not overweight leads him to argue that he is doing just fine. I think he needs better variety and certainly more fiber in his diet, but I am sure there are other aspects as well. -- Y.I., San Jose, Calif.

DEAR Y.I.: Your partner is doing some good things and his active lifestyle will help him, big time. Meal-replacement bars have their place as an occasional substitute for real food, but we need to be reasonable. Whole foods provide a symphony of healthful compounds, and we have only begun to determine which ones (and in what quantities) are the key players. Plants have it all figured out. Over the millennia, they have evolved to contain the right combinations of nutrients and phytochemicals to maximize their chances for survival as a species.

Granted, we are not plants, but it seems foolhardy to turn to a human-designed processed food product and think that all the bases are covered. The product might serve as a short-term solution in certain situations, such as an easily portable food for hikers or as a more nutritious snack than those found in vending machines. But let's face it: Chronic disease can sneak up like a thief in the night. To protect ourselves, we need well-rounded nutrition. You mention dietary fiber, but there are many attributes to the foods we eat, which is why variety is an essential part of any healthy diet. With few exceptions, the best approach is to rely on real, whole foods -- not on processed products like meal-replacement bars.

DEAR DR. BLONZ: I am on a low-carbohydrate diet and have lost 30 pounds so far, but I miss eating pasta sometimes. I have come across veggie pasta with semolina flour, but the package doesn't have a nutrition index. What is semolina flour, and is it OK to have on a low-carb diet? -- R.M., San Pedro, Calif.

DEAR R.M.: Semolina is a coarse flour that is used in traditional pasta dough. It is made by milling whole kernels of durum wheat. Semolina flour is relatively high in protein (gluten) and it absorbs less water, giving pasta -- as well as pizza dough -- its characteristic texture when cooked. The semolina flour from durum wheat is used in Italy to make commercial pasta. It is also used to make couscous. The carbohydrate content will be in the same range as other wheat flours, which is around 100 grams per cup.

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

Hydrogen Peroxide as Cancer Cure? Quackery

On Nutrition by by Ed Blonz
by Ed Blonz
On Nutrition | February 5th, 2013

DEAR DR. BLONZ: Do you have any kind of experience, information or scientific study about hydrogen proxide as a cure for cancer? I did not find anything on PubMed (the online library of the National Institutes of Health's National Library of Medicine) and hope you can help me find information on this therapy. -- Y.G., via email

DEAR Y.G.: Hydrogen peroxide (H2O2), a water molecule with loosely attached extra oxygen on board, is a powerful oxidizer -- more powerful than chlorine. It is corrosive to the nose, throat and lungs, and can cause irreversible tissue damage to the eyes, including blindness.

While this stuff might kill a cancer cell, and all other cells, if directly applied in a petri dish, there is no way -- I repeat: no way -- it can ever get to the site of any cancer inside the body. The hydrogen peroxide will oxidize and destroy the first tissue it comes in contact with. Given the inherent dangers, the idea that drinking diluted hydrogen peroxide can increase the oxygen level in all our cells and help our immune systems destroy cancer is ludicrous. Sorry to shoot this down, but I'm glad you asked before you tried.

DEAR DR. BLONZ: I was told I am lactose intolerant. Does that mean I must exclude all dairy products, such as butter and cheese of all kinds? I drink lactose-free milk without a problem, and eat yogurt, also. -- M.A., via email

DEAR M.A.: Lactose intolerance is the inability to efficiently digest the main carbohydrate (lactose) found in dairy products. Because the lactose does not get digested, it will not be properly absorbed, thus leaving it to travel down the remainder of the digestive tract -- sometimes attracting water along the way. It ends up in the large intestine with other unabsorbed food components and waste materials. The bacteria that reside in the large intestine, also known as our intestinal flora, will use the lactose as food, giving off gas as a metabolic waste product. The gas, together with the added fluid, can create muscle cramps and digestive distress that are the symptoms of lactose intolerance.

Those with lactose intolerance might think they need to stay away from butter or cheese because they are milk products, but most lactose gets removed from these foods as they are made. Yogurt, although made from milk, is often well-tolerated by people who have lactose intolerance because yogurt bacteria produce their own lactose-digesting enzyme, or lactase.

Lactose intolerance is not the same as a milk allergy, the allergy being where there is specific reaction to the protein in the milk or milk product. Cheese should be avoided by those with milk allergies. Butter does not contain protein, but in the unusual case of an acute allergic sensitivity, even this may have to be avoided.

It sounds like you have a handle on your situation: There is no need to avoid butter or cheese, and you are already able to enjoy yogurt. There may also be no problem with small amounts of milk products, such as putting half-and-half in your coffee.

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

No, Really -- Eat Breakfast

On Nutrition by by Ed Blonz
by Ed Blonz
On Nutrition | January 29th, 2013

DEAR DR. BLONZ: I buy turkey patties that are listed as 200 calories each. When I cook them in the microwave there is a lot of grease left behind, which I pour out. Does this excess grease mean that the amount of calories in the cooked patty is less than the amount on the label? -- A.K., via email

DEAR A.K.: The calories listed on the food label reflect the amount "as consumed," after it has gone through normal preparation. Therefore, the grease left behind after prep is not figured in the per-serving calorie total.

DEAR DR. BLONZ: You have often mentioned that it is best to have a balanced meal for breakfast. But in a pinch, will I be better off with nothing, with just a glass of juice, or with coffee and some form of carbohydrate, such as a pastry? -- B.T., Seattle

DEAR B.T.: Some do not eat -- or enjoy -- breakfast, opting instead for some variation of "coffee and a pastry" for their morning sustenance. You posing the choice between this or nothing asks me to tell you the lesser of two undesirables. The bottom line is that, when you wake up, your body hasn't received any nutrients since dinner the day before. Whether people skip breakfast due to preference, habit, poor time management or a combination thereof is irrelevant; the point is that our bodies depend on nourishment for energy and for the nutrients needed to maintain our health.

Many nutrients do not hang around for a long period of time, which is the very reason it is best to eat healthful foods periodically throughout the day. The body does its best to adapt to our routines, so those in the habit of only eating that minimalist breakfast might feel they are giving the body all it needs. In reality, it is better to work your way up to a healthful breakfast. Research has demonstrated how a good breakfast can encourage alertness, enhance mental performance and help stabilize blood sugar levels throughout the day. And, while I know this does not apply to your specific case, a good breakfast is especially important for growing children.

Your pastry breakfast would not be a problem if it were an occasional situation. The nature of the pastry is also a factor: I find it difficult to give any sort of thumbs-up to a sweetened bread deep-fried in partially hydrogenated fat and frosted with a sugary goop. Sweet roll and donut eaters beware!

It would better if your pastry was a muffin, perhaps made with a modicum of whole grains and containing dried fruit. Toss in a glass of juice and/or some sort of milk, and you would have at least a few nutrients to tide you over for a bit.

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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