Can taking vitamin D cause breast cancer?
Vitamin D Deficiency May Promote Spread of Some Breast Cancers. Vitamin D is obtained from food and supplements or produced by the body in response to sun exposure. A deficiency in vitamin D is associated with tumor progression and metastasis in breast cancer, suggests a new study.
Does vitamin D protect against breast cancer?
Findings from a large clinical trial show that taking vitamin D supplements does not lower cancer risk. In the largest-ever randomized clinical trial testing vitamin D for cancer prevention, the supplement did not reduce the risk of developing cancer.
Can too much vitamin d3 cause cancer?
Specifically, the researchers found that high vitamin D levels were linked with an increased risk of skin, prostate and blood cancers, and a decreased risk of lung cancer. The study found only an association; it cannot prove that high vitamin D levels cause or prevent certain cancers.
Can vitamin D reduce breast density?
Mammographic density is a strong risk factor for breast cancer, but the underlying biology for this association is unknown. Studies suggest that vitamin D may reduce breast cancer risk and dietary vitamin D intake has been associated with reduced breast density.
Does vitamin D affect breast density?
No differences in breast density at the extreme Vitamin D intake levels were found in combined results across four studies that reported the overall results on association between breast density and total Vitamin D intake (p = 0.14) [40, 47, 53, 56].
What vitamins help reduce breast cancer?
But a recent study indicates vitamin D—specifically, vitamin D3—can even help reduce the risk of breast cancer. Breast cancer is the most common non-skin type of cancer in women, and, the researchers of the study say, there has been progress in detecting and treating the disease.
Can too much vitamin D cause calcification?
Kidney complications In some cases, vitamin D toxicity can result in kidney injury and even kidney failure. This is because having too much vitamin D in the body can lead to high levels of calcium, which can lead to water loss through too much urination and calcification of the kidneys ( 21 ).
What causes estrogen positive breast cancer?
Other factors: Other factors that may increase the risk include excessive alcohol consumption, a high body mass index (BMI) in early life, obesity after menopause, and a lack of physical activity. These may all increase exposure to breast cancer related hormones.
How much vitamin D protects against breast cancer?
– milk – some yogurt (read the label to see if it says “fortified with vitamin D”) – some orange juice (read the label to see if it says “fortified with vitamin D”) – some soy milk (read the label to see if it says “fortified with vitamin D”)
Does vitamin D reduce the risk of breast cancer?
Researchers looked at more than 5,000 women, 55 and older, and found that those with vitamin D blood levels of 60 nanograms per milliliter (ng/mL) or more had an 80 percent lower risk for breast cancer than those with levels of 20 ng/mL or less.
How much vitamin D should a breast cancer patient take?
The optimal 25 (OH)D level for breast cancer prevention appears to be at least 40 ng/mL (40 to 50 ng/mL may be an appropriate target range). The appropriate vitamin D3 level goal for women undergoing treatment for breast cancer has not been established.
Can vitamin D really lower the risk of cancer?
Vitamin D has been linked to reducing your risk of colorectal (or colon) cancer, according to new research in the journal Gastroenterology. Foods high in vitamin D include salmon, cheese, fortified dairy products, beef liver, and egg yolks.