Vitamin B complex is a type of vitamin that is needed by the body. Vitamin B complex plays a role in regulating appetite, body metabolism, producing energy, and maintaining the health of organs and tissues in the body - from the heart, muscles, to the nervous system. Vitamin B deficiency can cause a series of negative effects on the body. Even so, don't overdo it too. A study reports that intake of vitamin B complex in high doses increases the risk of lung cancer, especially in male smokers. Lung cancer is the cancer most often diagnosed and is also the cancer that most causes death throughout the world.
Research on vitamin B complex and lung cancer
Researchers from the Cancer Institute in Columbus, Ohio, United States found a link between consumption of high-dose multivitamin B6 and B12 supplements with an increased risk of lung cancer. This finding was reported after collecting data from 77, 118 participants aged 50-76 years. Each participant was asked for information about their routine consumption of vitamin B complex supplements, including frequency (how often), duration (duration), and dosage in the last 10 years.
Other factors that can affect the risk of lung cancer, such as smoking and drinking habits, race, age, education, body size, previous cancer history, family history of cancer, and the use of anti-inflammatory drugs that may have anticancer effects are also taken into account this research
Intake of high doses of vitamin B complex increases the risk of lung cancer
The results of this study indicate that consumption of vitamins B6 and B12 in high doses over a 10-year period can increase the risk of lung cancer in male smokers.
Male smokers who consume 20 milligrams of vitamin B6 per day for 10 years have a three times greater risk of developing lung cancer and men smokers who consume 55 micrograms of vitamin B12 per day for 10 years have a four times greater risk of developing cancer lung.
Although the results of this study are important, it is important to remember that these risks arise from the use of high-dose vitamin B supplements, where the dose is many times greater than the recommended daily dose. Meanwhile there was no increased risk of lung cancer in women taking vitamin B9.
Why does vitamin B increase the risk of lung cancer?
The reason why B vitamins can affect cancer risk is not known with certainty, but some researchers believe that this is related to the mechanism of interaction of vitamin B with metabolic pathways that are important for maintaining DNA stability so as not to be mutated and regulate gene expression in the body.
Consumption of vitamin B in high doses can disrupt the pathway, causing the formation of cancer cells or the so-called carcinogenesis process.
So, do you have to avoid B vitamins?
For some people who have anemia or Celiac disease, taking vitamin B complex supplements can help overcome the symptoms of fatigue. However, consumption of high-dose vitamin B supplements may not be beneficial for healthy, hale people.
On the other hand, vitamin B deficiency is also believed to increase the risk of cancer because it can cause interference when making new DNA chains. The key is only one: maintain a balanced nutritional intake of the body with a healthy diet. If you have fulfilled this one condition, you actually do not need to really consume food supplements.
Natural sources of vitamin B complex can generally be found in animal products, such as beef, chicken, eggs, milk, fruits, and vegetables. Gastric acid in the digestive system will be able to digest vitamin B from food so the body can absorb it.
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Reviewed date: September 29, 2017 | Last Edited: September 29, 2017
Vitamin B linked to increased lung cancer risk http://www.medicalnewstoday.com/articles/319083.php Accessed 12/09/2017
High dosage of B vitamins tied to lung cancer risk, study says http://edition.cnn.com/2017/08/22/health/vitamin-b6-b12-lung-cancer-study/index.html / 2017
Clear link between heavy vitamin B intake and lung cancer https://www.sciencedaily.com/releases/2017/08/170822175515.htm Accessed 12/09/2017