health

Some Global Nutrition Truths Do Exist

On Nutrition by by Ed Blonz
by Ed Blonz
On Nutrition | July 18th, 2017

DEAR DR. BLONZ: As you reflect on nutrition globally, and then look back at the U.S. dietary standards, do you believe there are any universal truths in the field of nutrition? What do you see in the future for human health and nutrition, given that here in the U.S., we are not even among the 30 healthiest nations on earth? -- C.A., Las Vegas

DEAR C.A.: Given the (unfake) fact that scientific knowledge continues to evolve, there needs to be an element of flexibility, especially where personal and financial interests and biases are concerned. With each new finding, our thoughts about nutrition and health might require updating or outright change. Bias also comes from one’s worldview. What might be thought of as absolutes for a raw vegan are unlikely to jibe with those held by an omnivore.

This being said, there do seem to be underlying truths that can be gleaned from observations of the plant world, and from a review of human history. The overall theme is that we need to provide our bodies with a broad spectrum of nutrients and whole foods in order to sustain health, ensure longevity and empower our defenses. Essential adjuncts are a physically active, personally satisfying, stress-moderated lifestyle, adherence to basic food safety practices, and the responsible preservation of our land, sea and air.

Scientific findings continue to tweak the detailed chapters and verses, but much depends on who is supplying the research dollars. Dietary standards and recommended intakes, such as those put out by the U.S. government and others, are a mix of science, politics and market forces. There is value to these guidelines as they can provide visual teaching tools, but they tend to be more along the line of lagging indicators rather than bold steps forward.

Concerning your second question, I feel we will continue to have a disappointing ranking among the healthiest nations as long as we, as a culture, continue to have a significant element that can be swayed by instant gratification born of profit-driven market forces. This represents a significant temptation with a proven ability to entice the U.S. populace away from the basic themes of healthful eating -- directing them instead to sidetracks like “value-added food components,” rather than the innate power of whole foods themselves.

Send questions to: “On Nutrition,” Ed Blonz, c/o Andrews McMeel Syndication, 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

Nutrition Facts Labels Generally Reliable

On Nutrition by by Ed Blonz
by Ed Blonz
On Nutrition | July 11th, 2017

DEAR DR. BLONZ: You often make reference to the “Nutrition Facts” label on packaged foods. Who in the government comes up with the data, and are all foods tested? How reliable are these figures? Why is it that some foods do not have this panel? -- C.C. Walnut Creek, California

DEAR C.C.: All foods regulated by the FDA need to display nutrition labeling. Some exceptions: small businesses with fewer than 100 full-time equivalent employees, with food product sales less than 100,000 units per year (or, for importers, fewer than 10 full-time equivalent employees and sales under 10,000 units annually). Retailers are also exempt if their annual gross sales are less than $500,000, or their gross sales of foods to consumers in the U.S. are less than $50,000.

Many companies not required to display the labels will often do so anyway, because they realize that it is a valuable source of information for consumers.

The accuracy of the information on the Nutrition Facts label is the responsibility of the company selling the food, not the government. Any information on the food label is subject to review, and the FDA goes around sampling, purchasing and analyzing products from store shelves to check for accuracy. The extent and frequency of these checks, of course, depend on the department’s budget.

The FDA allows for a 20 percent margin of error. In 1996, it found that 91 percent of tests on sample food products correctly listed nutrition information. If any infractions are found, fines and product seizures can result, depending on the severity. Food companies, especially larger ones, have a lot to lose from inaccurate labels -- the penalties can be hefty. I consider the information on food labels to be reliable and useful when comparing similar food products.

There are now extensive resources online related to food composition. A searchable database of food composition, amassed by the U.S. Department of Agriculture, can be found at ndb.nal.usda.gov/ndb/. There is also a user-friendly website at nutritiondata.self.com. The site contains food composition data, along with nutritional information for fast-food entrees and a wide variety of diet, nutrition and health tools including a way to find and analyze recipes.

DEAR DR. BLONZ: What do you think of putting desiccant from medicine bottles into a cookie jar to help maintain the cookies’ freshness? -- P.P., via email

DEAR P.P.: It’s a bit at cross-purposes. With medicines, you want to prevent moisture from having a negative effect on the medication. Desiccant packets attract and absorb moisture before it can affect the meds. Dryness is a positive, in other words. But with baked goods, especially cookies, dryness is the negative. You want to maintain a level of moisture consistent with their freshness.

With the medical desiccant packets, there’s also the risk of residual medicinal substances and odors being transferred to the treats. There is also a limited capacity of those small desiccant packs, as only a small amount is needed for already-dry medications.

A check of baker blogs will reveal a number of better methods to retain the freshness of cookies and other baked goods. Check out goo.gl/rBsPuF.

Send questions to: “On Nutrition,” Ed Blonz, c/o Andrews McMeel Syndication, 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

Calcium Supplements’ Possible Interference

On Nutrition by by Ed Blonz
by Ed Blonz
On Nutrition | July 4th, 2017

DEAR DR. BLONZ: Do I need to be concerned about taking calcium supplements if I am also taking a calcium channel blocker? If so, how do you manage osteoporosis when on this medication? -- P.T., Phoenix

DEAR P.T.: Although calcium is involved in both situations, there are important differences. Calcium channel blockers are often prescribed for hypertension (high blood pressure) because they prevent the contraction of certain smooth muscles that surround the blood vessels. For the muscle around the vessel to contract, a small amount of calcium has to pass through a channel in the membrane (outer skin) of the muscle. Calcium channel blockers are so named because they slow the movement of calcium through these channels, thereby keeping the blood vessels relaxed.

There is little connection between the calcium in your diet and the ability of a calcium channel blocker to do its job. If you have any questions about any medication you are taking, be sure to discuss the issue with the prescribing physician, or the pharmacist where you have your prescriptions filled.

DEAR DR. BLONZ: I am uncertain where else to go with this one: I have seen my regular doctor, an urgent care doctor, my dentist and an allergist and none of them have had any idea what to tell me. I am not an allergic person in general, but have had geographic tongue on and off for the last two years. My lips, tongue, gums and interior walls of my mouth swell and get numb. Then my lips peel and the numb sensation takes a week or so to go away. I’ve kept a diary of what I’ve put in my mouth the preceding six hours or so of each episode. There doesn’t seem to be too much in common. Later, I will eat some of the same foods, and have no reaction. One time I awoke at 5:30 a.m. with my tongue so swollen I couldn’t talk, and my lips were the most swollen I’ve ever seen. After swishing with a liquid antihistamine, the swelling went down.

This has been very periodic, every two weeks or so, for the last couple months. This last month, I’ve also had a very metallic taste in my mouth. Any suggestions? My next stop is an oral surgeon (a head and neck specialist). I have a feeling he’ll say the same thing. -- D.S., San Jose, California

DEAR D.S.: I am not a medical doctor -- my training is as a nutritional biochemist -- so there are limits to what I might say or can recommend. I think you have assembled a reasonable team, consulting with dentists (for teeth), physicians (for sinuses, etc) and allergists (to see if there is a provocative agent responsible).

If there are concerns about an allergy, has anyone suggested you go on an elimination diet to remove all suspected allergens? Are there new pets/animals in the house or in the neighborhood? Might there be some sort of allergenic substance already present or being brought into your environment by others? Any new dietary supplements or changes in brands of foods? New cookware? Recent dental work? New cosmetics? Have you traveled away from home during all this, and do the symptoms change when you are away?

I encourage you to give thought to all possible variables and put together a list of suspects to discuss with your health professionals. I wish you quick success on this detective hunt.

Send questions to: “On Nutrition,” Ed Blonz, c/o Andrews McMeel Syndication, 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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