health

I’m an Athlete -- Why Is My Cholesterol So High?

On Nutrition by by Ed Blonz
by Ed Blonz
On Nutrition | August 27th, 2019

DEAR DR. BLONZ: I am very concerned: My recent wellness check revealed that my total cholesterol was 242. I’m a 37-year-old, 150-pound white male. My triglyceride level is 71, HDL is 88, LDL is 110 and my fasting glucose is 90. There is no history of heart disease in my family. I am an avid athlete, landscaper and marathon runner, and am even sponsored by a shoe company, having had some success in races. I have been doing daily runs at an intense level for over a decade.

Food-wise, I eat a balanced diet, and rarely eat meat and animal products. I’d like to know what you think is going on, and get your suggestions for lowering my numbers. -- J.F., Boston

DEAR J.F.: You describe great habits, and you eat well. I can’t offer medical advice, but if these numbers do not jibe with previous data, you can always ask your doctor for a retest. Numbers can vary from test to test, and from lab to lab.

Your HDL is in great shape, and your triglyceride number is also in the low-risk range. There are some doctors, however, who care only about your LDL value. It’s important to discuss this with your physician. Other tests, such as C-reactive protein (for heart disease risk) and hemoglobin A-1C (for blood sugar) can provide more information, if needed. In addition, there are many websites providing information about blood cholesterol. Check out Medline from the U.S. National Library of Medicine (medlineplus.gov, search “cholesterol”).

Regarding your exercise habits, it is not always in our best interests to push “intense” on a daily basis. Have you ever considered working with a trainer? Doing the same intense workout every day can overwork the body, and landscaping work demands that your joints remain in good shape. There might be some benefit to alternating your workouts, such as running every other day and doing complementary exercises, such as yoga, tai chi or resistance training, on the alternate days.

An unfortunate fact of life is that the body becomes less forgiving as we transition to midlife. Our habits determine when midlife begins and how long it lasts. It is likely that you have already gotten subtle reminders that youthful flexibility doesn’t last forever, even for one who maintains an active lifestyle. Even those who stay active need to refine their workouts as the years go by. This is not a bad thing, and by doing so, you can remain injury-free and at the top of your game. Let me know how things turn out.

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

Fueling a Mountain Hike

On Nutrition by by Ed Blonz
by Ed Blonz
On Nutrition | August 20th, 2019

DEAR DR. BLONZ: Will meal-replacement bars work well for a multiday backpacking trip in the mountains? It will only be for a few days, and I am thinking of taking bars instead of freeze-dried food. Some bars try to be balanced meals, while others are only slightly better than snacks. Assuming I have plenty of water, do you foresee any problems relying on them for a few days at 10,000 feet? -- M.H., Indio, California

DEAR M.H.: My response assumes you are in appropriate shape for such a trek, that you have been fully acclimated to high-altitude hiking, and that the only issue is what you would be eating. That said, an approach based on real food would be preferable, as it offers a wider variety of flavors and textures.

You might find that after living off of meal bars for a few days, they’ll all begin to taste alike, and mealtime will lose its appeal. You could do a mix of bars and regular meals to see how it works out on the trail. But this is a short-term issue, so I can see no serious issues if you want to focus on sports bars.

Sample all prospects in advance, as you may not find all of them to be pleasing to your palate. You will be exhausted after hiking all day, and will want something satisfying to eat. Find an assortment that brings together sufficient energy (calories), high protein and a balance of nutrients. Select some designed for exertion and others designed to be meal replacements. Have a variety of products so that you won’t get bored.

Consider supplementing this selection with foods such as jerky, nuts and dried fruits. These will bring concentrated energy, nutrients and variety -- the latter providing a welcome hedonic boost. Add sufficient fluids, and you will be all set.

It’s only two or three days; the key is to bring along enough calories and nutrients to facilitate, rather than impede, the outing.

DEAR DR. BLONZ: Tell me a bit more about xanthan gum. I have a corn allergy, and recall you writing that xanthan gum is made from corn. It is my understanding that it is the end product of a fermentation process involving Xanthomonas campestris, which is mainly “fed” corn syrup as its source of sugar. These are gum-producing bacteria, which yield xanthan gum. As such, I am not sure it can be said to be made from corn syrup. -- S.F., Hayward California

DEAR S.F.: Much in the same way that we might think of beer as being “made from” grains, it is not that misleading to think of xanthan gum as coming from corn. That earlier column had been generated from a reader’s concern about a corn allergy, and I adapted the answer to fit that paradigm. To be more precise, consider that xanthan gum, a preservative used to help thicken and stabilize foods, is made “using corn.” It is refined, and this should, in theory, remove any corn protein. But that represents an unknown for any particular manufacturer, so I counsel avoidance -- or at least awareness and caution -- for those with a corn allergy.

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

Teens Consuming Synthetic Version of Periwinkle Byproduct

On Nutrition by by Ed Blonz
by Ed Blonz
On Nutrition | August 13th, 2019

DEAR DR. BLONZ: I am a trainer in San Diego and have heard about an herb that teenagers are ingesting. What are your thoughts on vinpocetine? One website touts that it is in the PDR (Physicians’ Desk Reference) and seemingly safe. But I am worried about anyone, especially teens, using this substance. -- S.T., San Diego

DEAR S.T.: First off, why would teenagers be taking this stuff? Secondly, being in the PDR only means that someone has paid the money to have it listed; it does not equate with effectiveness.

Vinpocetine is a synthetic derivative of a vincamine, a chemical found in the periwinkle plant. Naturally occurring vincamine has a short half-life, but the synthetically derived vinpocetine does not. Work done to date is quite preliminary, but the fact that vinpocetine is synthetic means that it should not even be in a dietary supplement. It’s unclear why the Food and Drug Administration hasn’t taken action.

As a drug, vinpocetine may have an ability to enhance blood flow in situations where there is already a reduced blood flow, such as after a stroke or another type of vascular impairment. To date, all we have is some sketchy evidence from stroke victims, or studies in which a memory inhibitor is given, and then vinpocetine is administered to see if it can counteract the inhibitor.

Use by teenagers or young adults is definitely ill-advised, as there is no information on long-term effects. There is also a paucity of information on potential interactions with medications and unknown impacts on memory development in the young adult brain -- not something you want to roll the dice on.

DEAR DR. BLONZ: To forever snuff out a discussion I am having with a neighbor, please discuss urine therapy. In particular, she is convinced that drinking her own urine is what contributes to her beautiful skin. She has several books claiming this to be a legitimate treatment, but my understanding is that urine is a waste product and should be eliminated by the kidneys. -- R.B.

DEAR R.B.: Here’s hoping you can find a neighborly way

to say, “yuck.”

You are correct that urine is a waste product. It is mostly water, but also contains substances that the body is purposefully eliminating in its attempts to maintain balance. Urine will also contain breakdown products from hormones, metabolic waste products, drugs, toxins and other foreign substances. Urine is also one route by which the byproducts of bacterial infections are shown the door; as such, ingesting it is a risk for anyone suffering from an infection.

I also found some mention of the idea of cosmetic benefits from drinking or washing with urine. But finding it mentioned doesn’t make it true. I could find no objective evidence in support of the idea.

Let us say, for the sake of argument, that there is some unidentified beneficial element in urine. Consider that when you consume the whole recipe, along with that good element, you get the bad and the ugly. You are also creating an additional burden on your system, as it all has to pass through and find its way out again, taking more of the body’s water as it heads out the door.

This is definitely a circumstance where a flush is the wining hand.

For a more detailed discussion, see b.link/urine84.

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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