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Vitamin D and Breast Cancer: Is there a Connection?

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vitamin D and breast cancer

The relationship between vitamin D levels and breast cancer has generated some debate. According to recent studies, having low vitamin D levels may increase the chance of cancer recurrence. Vitamin D has extra advantages for those attempting to reduce their chance of developing breast cancer and those undergoing cancer treatment.

RELATED: Low Vitamin D May Raise Breast Cancer Risk For Black Women

Vitamin D: What Is It?

The “sunshine vitamin” is also known as calciferol or vitamin D. It is a fat-soluble vitamin that supports the growth of bones and teeth. Sunlight exposure helps the human body manufacture vitamin D. 

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The body starts producing vitamin D when ultraviolet (UV) rays from the sun come in contact with the skin. Additionally, some foods contain the vitamin, which is also available as a supplement.

Vitamin D-Rich Foods

Among the foods that contain vitamin D are:

  1. Large fish (trout, salmon, tuna, mackerel, sardines)
  2. Oils from fish liver
  3. Animal liver
  4. Egg whites
  5. Shrimp
  6. Mushrooms

Vitamin D can also be added to food (fortified). 

The following foods are frequently fortified with vitamin D:

  • Milk or substitutes for milk
  • Juice and cheese
  • A few kinds of cereal
  • Yogurt

Insufficient vitamin D levels are seen in 42% of Americans.

RELATED: 5 Ways To Get Vitamin D…Without Milk

Recurrence of Breast Cancer

The relationship between vitamin D levels and breast cancer is a subject of some debate among scientists. One explanation is that there are several research variables, such as various cutoff values used in studies to gauge vitamin D deficiency. 

Numerous studies have revealed that a significant portion of those who are given a breast cancer diagnosis have poor vitamin D levels. According to recent studies, those with low vitamin D levels may also be more susceptible to cancer growth and recurrence (metastasis). According to one study, 34% of the control group had vitamin D levels above 20 ng/ml at the time of diagnosis, while 45% of those with breast cancer did not. According to research, vitamin D contains anticarcinogenic characteristics, which may help prevent the growth of cancer cells.

Vitamin D may also regulate appropriate cell proliferation in breast tissue.

Healthcare professionals will regularly check your vitamin D levels while treating your breast cancer, regardless of the link between this vitamin and cancer.

Bone health, which is frequently a concern for those with breast cancer, is one reason for the requirement for monitoring.

Vitamin D levels are decreased by therapies like chemotherapy and aromatase inhibitors, which reduce calcium absorption and raise the risk of osteoporosis.

RELATED: 5 Vitamins Your Body Needs More Of In The Winter

Prevention of Breast Cancer

According to research, vitamin D deficiency raises the risk of breast cancer. However, the therapeutic advantage of using supplements to prevent breast cancer is not clearly demonstrated.

Over the past ten years, there has been a rise in both the use of supplements and screening for vitamin D deficiency.

Medical professionals and individuals have observed several advantages of vitamin D supplementation, such as:

  • Inflammatory-reducing qualities
  • Qualities that prevent cancer from spreading
  • Bone health
  • Better heart health
  • Low price
  • Little to no negative consequences or side effects

RELATED: 4 Things Robbing You Of Vitamin D

Vitamin D and Additional Cancers

Ongoing studies on vitamin D and cancer prevention are being conducted. One area of concern is whether some cancers are more susceptible to vitamin D supplementation than others. 

Numerous studies link low vitamin D levels to an increased risk of many malignancies, including:

  • Colorectal
  • Kidney
  • Lung
  • Pancreatic
  • Prostate
  • Blood cancers

Overall Health

Having a vitamin D deficit might harm your general health. Vitamin D is required by your body to maintain healthy skeletal, muscular, immunological, neurological, and reproductive systems. 

The body uses vitamin D for a variety of functions, including:

  1. Aiding the stomach’s absorption of calcium and phosphorus to promote bone growth and repair
  2. Supporting muscle movement
  3. Allowing the brain to receive information from nerves
  4. Inflammation reduction
  5. Promoting cell division and growth

Lack of vitamin D can lead to a variety of health issues, including:

  • Depression
  • Sleep problems
  • Diabetes
  • Heart problems
  • Reduced muscular strength
  • Disorders of the neuromuscular system, including multiple sclerosis
  • Higher infection rates
  • (In children) Rickets

RELATED: Vitamin D Deficiency Could Raise Colon Cancer Risk in Black Women

Summary

Vitamin D is created by the body when exposed to sunlight. It can also be taken as a supplement in some foods.

The relationship between vitamin D levels and breast cancer is controversial. However, studies have shown that individuals with breast cancer have a higher prevalence of low vitamin D levels. 

Vitamin D has additional advantages for those attempting to reduce their risk of breast cancer and those undergoing cancer treatment.

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