Recent research found that supplemental vitamin D doesn’t prevent fractures or have any effect on the diseases it has been claimed to help, and blood tests for vitamin D are useless. Half of all postmenopausal women will have an osteoporosis-related fracture in their lifetime. Hip fractures are common in the elderly and have serious consequences.
A new study published in The BMJ suggests vitamin D might prevent autoimmune disease, but there are reasons to be cautious. Up to 75% of American teens and adults are said to be deficient in vitamin D, but there is no agreement on what level constitutes deficiency. Claims for the health benefits of vitamin D supplements abound,
Paul Offit’s new book covers the evidence for many surgeries, medications, and screening tests that have been proven ineffective and harmful yet are still being used by doctors who refuse to follow the science. Science-based medicine is all about testing medical ideas against reality. If there is abundant evidence from well-designed controlled clinical trials that
A new study shows vitamin D supplements don’t prevent diabetes. But there are still unanswered questions. This cartoon shows vitamin D killing cancer. It doesn’t. It doesn’t prevent diabetes either. Low vitamin D levels appear to be a risk factor for diabetes. Observational studies have found a correlation between a low blood level of Vitamin
Vitamin D, the so-called sunshine vitamin, has generated a lot of attention in recent years. It has been claimed to benefit a wide variety of diseases, everything from cancer to multiple sclerosis. It is widely used along with calcium for bone health. It is added to milk and prenatal vitamins and is prescribed for breastfed
This will be a departure from my usual posts. Several announcements in the news and medical journals have caught my attention recently, and as I delved into the details, I thought I would share them with our SBM readers. Topics include AIDS cures, the continuing danger of polio, eating nuts for longevity, racial differences in vitamin D,
A Walmart ad in my local newspaper trumpets “75% of all Americans don’t get enough Vitamin D” and offers to sell me Maximum Strength Vitamin D3, 5000 IU capsules to “promote bone, colon and breast health.” Meanwhile, the Institute of Medicine (IOM) tells me that “the majority of Americans and Canadians are receiving adequate amounts