Articles For Health And Fitness Exercise Biography
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Exercise causes blood sugar to go down—except when it doesn't. In some cases, blood sugar can temporarily increase with exercise.
Maddening? Yes. Like so many aspects of type 2 diabetes, your body's response to exercise can be highly individual.
The time of day you exercise may affect blood sugar
Blake Holden, of Brooklyn, N.Y., finds his blood sugar can vary depending on the time of day he is exercising. "When I exercise in the morning, go for a run, my blood sugar spikes big time. I'm not sure why that happens. But in the evening, it doesn't; it drops."
That's why it's crucial to monitor your glucose levels before and after your workout (after getting clearance from your doctor). Ideally, you should check your blood sugar each time you exercise, says Ann Albright, PhD, director of the Division of Diabetes Translation at the Centers for Disease Control and Prevention in Atlanta.
But, if that proves to be a huge barrier that keeps you from exercising, then it's probably OK to do it a few times when you first start or restart your exercise routine until you get a feel for how your blood sugar reacts to exercise, Albright says.
Consistency is crucial
Choose a regular exercise routine and stick to it as often as possible. This can result in consistently lower blood sugar (exercise can cause a drop in blood sugar for up to 12 to 24 hours).
"It is really important to have a consistent exercise plan that you can do five days a week," says Virginia Valentine, a certified diabetes educator at the Diabetes Network, Inc., in Albuquerque, N.M.
"If a person is a couch potato all week and tries to jump into a significant activity for a few hours on the weekend, it could cause blood glucose that is too low or even an injury."
Blood sugar is more likely to go too low and cause hypoglycemia in people who take insulin or certain diabetes medications (such as sulfonylureas).
If you are taking such drugs, you need to be extra careful about monitoring your blood sugar and carry food or glucose tablets so that you can treat hypoglycemia if it occurs. If you aren't taking medication, then hypoglycemia is less of a concern.
MONDAY, April 22 (HealthDay News) — Alternative treatments like transcendental meditation, biofeedback and guided breathing appear to reduce high blood pressure in some people, a new report suggests.
But only one method that does not involve medication — aerobic exercise — is both proven to have a major impact and highly recommended.
The report, by the American Heart Association, also says research doesn’t support a reduction in high blood pressure from other relaxation and meditation techniques, yoga or acupuncture. However, the quality of research into these strategies is limited, the report adds, suggesting that there’s still hope they have an effect.
“In general, there’s a surprising level of evidence supporting some of the alternative techniques being effective, and surprisingly little or conflicting evidence in regard to other techniques,” said Dr. Robert Brook, an associate professor of medicine at the University of Michigan. “These alternative techniques are a neglected stepchild and often not given nearly as much attention or funding for research, and are often not taken as seriously as other approaches.”
Two things are clear, he said: The alternative approaches don’t appear to be harmful, and they shouldn’t be used instead of following a doctor’s advice regarding medication.
The American Heart Association launched its report to give guidance to doctors and patients about treatments for high blood pressure, Brook said. “Traditionally, we’ll talk about weight loss, diet, salt restriction and exercise. They’re difficult to comply with, and people don’t follow them. We decided it was time to review all of the research into alternative ways to lower blood pressure.”
The report ranks aerobic exercise, like brisk walking, as having the greatest effect on high blood pressure and the highest quality research to support it.
Biofeedback, weight lifting, transcendental meditation and synchronized breathing (such as breathing to a series of tones) also scored well in terms of effectiveness.
When they’re effective, the techniques may reduce the systolic number in a high blood pressure reading — the top number — by a modest 5 to 10 millimeters of mercury (mmHg), Brook said. A reading of 140 or higher is a sign of potential trouble.
How do the strategies work to reduce blood pressure? It’s not clear in some cases, he said, although exercise appears to boost the functioning of blood vessels by widening them.
Samuel Sears, director of health psychology programs at East Carolina University, in Greenville, N.C., said the report is important but its focus misses the “mental benefits” of alternative treatments. “Patients seek and may gain broader benefits from some of these therapies, such as psychological and perceived control of their condition,” he said.
So, should you try these strategies?
Dr. Kirsten Bibbins-Domingo, an associate professor of medicine at the University of California, San Francisco, said they’re generally considered safe. However, “the inappropriate reliance on these approaches could result in delays in seeking medical treatment of hypertension,” she said. “And many of these interventions are associated with out-of-pocket costs for patients, which is an additional consideration particularly if such interventions are ultimately shown not to be effective.”
The report appears April 22 in the journal Hypertension.
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