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Science Daily: “Vitamin B diminishes effects of air pollution-induced cardiovascular disease”

Repairing damage is great, but it points out that wearing a vented particular respirator while excercising in polluted air is your smart move.

I’m not clear on what B vitamins are involved here, but a multi-B supplement comes to mind as a likely solid solution.

Vitamin B diminishes effects of air pollution-induced cardiovascular disease

B vitamins can mitigate the impact of fine particle pollution on cardiovascular disease...

Healthy non-smokers who took vitamin B supplements nearly reversed any negative effects on their cardiovascular and immune systems, weakening the effects of air pollution on heart rate by 150 percent, total white blood count by 139 percent, and lymphocyte count by 106 percent.

...

Ambient fine particulate pollution contributes to 3.7 million premature deaths annually worldwide, predominantly through acute effects on the cardiovascular system. Particulate matter pollution is the most frequent trigger for myocardial infarction at the population level. "Ambient PM2.5 pollution is one of the most common air pollutants and has a negative effect on cardiac function and the immune system," said Jia Zhong, PhD, principal investigator, and postdoctoral research officer in the Department of Environmental Health Sciences at Columbia's Mailman School. "For the first time, our trial provides evidence that B-vitamin supplementation might attenuate the acute effects of PM2.5 on cardiac dysfunction and inflammatory markers."

The paper builds on research published in March that found B vitamins reduce the negative effects of air pollution as measured by epigenetic markers.

... With ambient PM2.5 levels far exceeding air quality standards in many large urban areas worldwide, pollution regulation remains the backbone of public health protection against its cardiovascular health effects...

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