Preventive Medicine
Vitamin D Supplements Don’t Help Another Condition, Study Finds
The idea made so much sense it was almost unquestioningly accepted: Vitamin D pills can protect bones from fractures. After all, the body needs the vitamin for the gut to absorb calcium, which bones need to grow and stay healthy. But now, in the first large randomized controlled study in the United States, funded by […]
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Do Cancer Centers Push Too Many Tests?
Say a postcard arrives in the mail, a reminder to make an appointment for a mammogram. Or a primary care doctor orders a PSA test to screen a man for prostate cancer, or tells him that because of his years of smoking, he should be screened for lung cancer. These patients, trying to be informed […]
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Daily Aspirin Regimen May Cause Bleeding
Dr. Wong added: “Two didn’t find any significant reductions in heart attack or stroke, but there was an increased risk of bleeding.” The third clinical trial, which was limited to people with diabetes, a higher-risk group, found a small reduction in cardiovascular events — but with a higher bleeding risk. “The harm canceled out the […]
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Most of the World’s Vaccines Likely Won’t Prevent Infection From Omicron
A growing body of preliminary research suggests the Covid vaccines used in most of the world offer almost no defense against becoming infected by the highly contagious Omicron variant. All vaccines still seem to provide a significant degree of protection against serious illness from Omicron, which is the most crucial goal. But only the Pfizer […]
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