Vitamin D should improve the health of people in dusty or polluted air

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Might vitamin D improve the health of people working in dusty or polluted air - asked Perplexity AI, Dec 2024

Vitamin D supplementation may indeed improve the health of people working in dusty or polluted air environments. This is based on several key findings from recent research:
Impact of Air Pollution on Vitamin D Levels
Air pollution, particularly particulate matter (PM) and other pollutants, can negatively affect vitamin D levels in the body:

• Long-term exposure to PM2.5, PM10, nitrogen oxides (NOx), and nitrogen dioxide (NO2) is associated with decreased serum 25-hydroxyvitamin D (25OHD) levels 2 5
• A 10 μg/m3 increase in PM2.5 concentration was linked to a 9.11 nmol/L decrease in serum 25OHD levels 2 5
• Air pollutants can reduce UVB radiation reaching the earth's surface, thereby impacting vitamin D synthesis in the skin 4 10

Vitamin D's Protective Effects
Vitamin D plays a crucial role in mitigating the negative health impacts of air pollution:

• In obese urban children with asthma, higher vitamin D levels were protective against asthma symptoms in high PM2.5 environments 3 7
• Vitamin D supplementation has been shown to reduce the effects of pollution on asthma and other chronic respiratory diseases 6
• Vitamin D influences the transcription of many immune-related genes and may help strengthen the antimicrobial response against respiratory infections 9

Potential Benefits for Workers
Given these findings, vitamin D supplementation could potentially benefit workers in dusty or polluted environments:

1. Respiratory health: Optimizing vitamin D status may help reduce asthma morbidity and other respiratory symptoms driven by air pollution 3 7
2. Immune function: Adequate vitamin D levels could support a stronger immune response, particularly important in polluted environments that may increase susceptibility to infections 9
3. Offsetting reduced UVB exposure: For workers who spend long hours indoors or in polluted outdoor environments with reduced UVB radiation, supplementation could help maintain adequate vitamin D levels 4 10
4. Counteracting pollution-induced deficiency: Supplementation may help offset the vitamin D deficiency that can result from exposure to air pollutants 1 2 5

While more research is needed to establish definitive guidelines, current evidence suggests that maintaining optimal vitamin D levels through supplementation or dietary sources could be a valuable strategy for workers in dusty or polluted environments. However, it's important to note that vitamin D supplementation should be part of a comprehensive approach to occupational health, including measures to reduce exposure to air pollutants and improve overall air quality.

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43+ VitaminDWiki pages with POLLUTION in the title

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VitaminDWiki – Smoking reduces vitamin D - many studies (if you must smoke, take vitamin D)

Two pathways are often proposed for how smoking decreases vitamin D:
   1) Smoking decreases Calcium. and Vitamin D is used up in replacing the Calcium
   2) Smoking injures the body, and vitamin D is used up in repairing the body
It appears that taking Vitamin D while smoking will:
   1) Decrease the incidence of the many health problems associated with smoking - even lung cancer
   2) Decrease the desire to smoke (perhaps take fewer smoking breaks?)
   3) Increase breathing capacity
Opinion: If you must smoke, have recently smoked, or are getting 2nd hand smoke:
   take Vitamin D and perhaps Omega-3
    They will extinguish much of the inflammation caused by inhaling tobacco smoke.
Vitamin D should also help people quit smoking
   1) Reduces weight gain associated with quitting smoking
   2) Reduces depression associated with quitting smoking

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VitaminDWiki – Autism risk if toxins, heavy metals, microplastics, etc during pregnancy (unless add Vitamin D) – Feb 2024