Clinical Trial Terminology Explained
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By Johns Hopkins Health Alerts, www.johnshopkinshealthalerts.com
The National Cancer Institute estimates that between 5% and 8% of cancer patients participate in clinical trials. Why is the number so low? Part of the problem is that many patients believe that all clinical trials include a placebo (an inactive treatment with no known therapeutic value) and treat participants like 'guinea pigs' -- neither of which is true. To help clear up the confusion, this Health Alert explains clinical trial terminology, including randomization, placebo, and blinding More...
Posted in Colon Cancer on October 20, 2009
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Should You Try a Gluten-Free Diet?
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By Johns Hopkins Health Alerts; www.johnshopkinshealthalerts.com
People with celiac disease are sensitive to gluten, a component of wheat and other grains. No medication or surgical procedure can cure celiac disease. The only way to treat it is to adopt a completely gluten-free diet: avoiding all food and drink containing wheat, barley, rye, and other grains. But what if you don't have celiac? Is a gluten-free diet good for your health? … More...
Posted in Digestive Health on October 26, 2009
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Transcendental Meditation and Your Blood Pressure
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By Johns Hopkins Health Alerts, www.johnshopkinshealthalerts.com
A reader with high blood pressure asks: Will relieving stress help control high blood pressure? Which stress reduction technique has the most evidence backing it up? Here's the reply from Johns Hopkins.In stressful situations, your body releases hormones like epinephrine that cause your blood pressure to rise and your heart rate to accelerate. Whether chronic stress contributes to high blood pressure is less clear. Still, reducing stress may help you follow other lifestyle recommendations and… More...
Posted in Hypertension & Stroke on November 3, 2009
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Practical Advice to Help You See Better When You Drive
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By Johns Hopkins Health Alerts; www.johnshopkinshealthalerts.com
Do you sometimes have trouble seeing clearly when you drive? The American Academy of Opthalmology recommends that everyone between ages 40 and 65 have an eye exam every two to four years. If you're over age 65, you should see your eye doctor every one to two years, particularly to check for conditions such as cataracts, glaucoma, and age-related macular degeneration. Between check ups, if your vision changes or you have trouble driving at night, let your eye doctor know right away. What else can you do? In this Health Alert, Johns Hopkins provides practical advice to help you see better when you drive … More...
Posted in Vision on November 6, 2009
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