Vitamin D Protects Against Cancer, A New Study Reveals
Vitamin D Protects Against Cancer, A New Study Reveals
Chris Tobin via Getty Images
10 March, 2018, 03:24
This new study has shown that vitamin D, and especially its activated form, 25-hydroxyvitamin D, could have a blocking effect on the actions of the cancer cells across multiple signaling pathways of the cells involved in the cell death process (scientifically known as apoptosis), the creation of blood vessels (angiogenesis), and inflammation, all of which have been reported in colon and breast cancer forms.
But so far, most studies have been carried out in European or American populations, and evidence from Asian populations is limited.
High vitamin D levels may decrease the risk of cancer development, particularly liver cancer, according to a new study.
High vitamin D level linked with reduced risk of cancer, including liver cancer, said Japanese scientists.
Because of the concentration and metabolism of vitamin D may vary along ethnic lines, experts feel it is important to find out whether there were similar effects among different population groups.
Vitamin D was not found to reduce the risk of lung or prostate cancer, however. The researchers analyzed data from more than 33 700 men and women aged 40 to 69 years.
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Participants were required to disclose a comprehensive overview of their lifestyle, diet and medical history and have blood samples taken to assess their vitamin D levels.
The researchers said lithocholic acid, a substance produced by the liver, is a particular cancer risk - which may "possibly explain the strong finding for liver cancer".
The study, conducted by a team of global researchers in Japan, stated that the findings support the theory that vitamin D might help protect against some cancers. If you choose to take vitamin D supplements, 10mcg (micrograms) a day will be enough for most people - while taking more than 100mcg of vitamin D a day as it could be harmful, causing a buildup of calcium that is bad for bones, heart and kidneys. It also involved researchers from Memorial Sloan Kettering Cancer Center in NY.
The participants were then monitored for an average of 16 years, during which time 3,301 new cases of cancer were recorded. And while they adjusted for several known risk factors, they can not rule out the possibility that other unmeasured (confounding) factors may have influenced the results, making it hard to draw firm conclusions about cause and effect.
"Our findings support the theory that vitamin D may protect against the risk of cancer".
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