Category Archives: Vitamins

Negative news on vitamin E supplements and memory loss

“Several studies have pointed to vitamin E as possibly protective against … dementia,” according to Dr. Neil Buckholtz who is head of the Dementias of Aging Branch at the National Institute on Aging. “The only way this association can really be tested is through clinical studies and trials.”

Now, one of those studies is published. Continue reading Negative news on vitamin E supplements and memory loss →

Self-care for peripheral neuropathy in HIV/AIDS

Peripheral neuropathy is the most common neurological complication in HIV, and it’s often associated with antiretroviral therapy. Patients experience muscle weakness and atrophy, pain, and numbness.

Here’s what people use to manage the discomfort. Continue reading Self-care for peripheral neuropathy in HIV/AIDS →

Using quercetin to reduce illness and maintain mental performance

Quercetin (kwur’-si-tin) is a naturally occurring anti-oxidant in red wine, red apples, green tea, and broccoli.

The average person consumes 25 to 50 mg of quercetin a day. In this double-blind study, 20 cyclists took 1,000 mg of quercetin a day or placebo for five weeks.

Continue reading Using quercetin to reduce illness and maintain mental performance →

The use of CAM by people with asthma

During the most recent meeting of the American College of Chest Physicians Dr. Paul Blanc from the University of California at San Francisco reported that half of all people with asthma use CAM.

Here are the highlights from Medscape.

Continue reading The use of CAM by people with asthma →

Poison control centers report on the safety of supplements

In 1993, Senator Orrin Hatch said, “most of these [herbal remedies] have been on the market for 4,000 years, and the real issue is risk. And there is not much risk in any of these products.”

Now, the American Association of Poison Control Centers defines that risk after more than 20 years of data collection.
Continue reading Poison control centers report on the safety of supplements →

Lowering expectations for dietary supplements in patients with cancer

Dr. Steven Thomas and his team from the University of Bristol in the U.K. found that neither dietary modifications nor nutritional supplements such as vitamins, antioxidants, retinol, and garlic alter the disease course of patients with cancer or preinvasive (precancerous) lesions. Their conclusion is based on an analysis of 59 generally low quality trials.

“We should not,” Dr. Thomas concluded, “maintain the notion that nutritional interventions can be promoted because at least they will do no harm.”

Continue reading Lowering expectations for dietary supplements in patients with cancer →

CAM for heart disease: Current state of the evidence

During a seminar at the American Heart Association 2006 meeting titled “The Science Behind Popular Nutrition Claims,” medical researchers summarized the research on a number of complementary options to “help maintain a healthy heart.”

Here is a summary of the Medscape article. Links to more info are highlighted.

Continue reading CAM for heart disease: Current state of the evidence →

Measuring the effect of folic acid on homocysteine and the risk of heart disease

High blood levels of the amino acid called homocysteine are thought to increase the risk for heart disease by damaging the lining of blood vessels and increasing blood clotting.

Despite this, the American Heart Association doesn’t recommend widespread use of folic acid to lower homocysteine blood levels.

Does this make sense?

Here’s the latest information.

Continue reading Measuring the effect of folic acid on homocysteine and the risk of heart disease →