Bright light alters metabolism and increases insulin resistance

Bright light alters metabolism and increases insulin resistance

Posted by: Dena Schmidt, staff writer in Food News August 18, 2016

Bright light exposure seems to influence our metabolism.. One thing is certain: insulin resistance and blood sugar imbalances do occur with the overexposure of artificial light – especially at the wrong time of the day.

For example, scientists from Northwestern University Feinberg School of Medicine have found that bright light exposure in the morning and evening increases insulin resistance compared with dim light exposure at these times.

Evening exposure to bright light leads to higher peak glucose levels and insulin resistance as well. And, just to be clear, insulin resistance refers to the inability to move glucose from the bloodstream adequately, and the result is high blood sugar. Over time, excess body fat and higher diabetes risk can occur.

Previous studies related to light exposure have shown that those who received most of their exposure to bright light after 12 pm tended to be heavier than those who were exposed earlier in the day., insulin could not effectively bring glucose back to baseline levels after a meal during evening bright light exposure. The study results emphasize how daily light exposure and our environment impacts health.

These results point to the influence of dark and light exposure times. It’s important to find the ideal pattern for ideal health. The recent Northwestern study examined the immediate effects of three hours of exposure to blue-enriched light in the morning or evening compared with dim light at these times. Its effects on metabolic function, hunger and physiological arousal were all studied and tracked.

Artificial light confuses the brain’s pineal gland, and this can disturb melatonin production. Melatonin regulates our sleep cycles, but it is also a cancer-fighting substance.

Melatonin also prevents neurodegenerative diseases by regulating circadian rhythms, mood, sleep quality, and more. It cleans up free radicals and has antioxidant and immunomodulatory qualities. When melatonin production is impaired, we are at higher risk for cancer and other health issues.

Being proactive about exposure to light throughout the day can bring a range of health benefits. To learn more about how to protect yourself from the negative effects of artificial light – listen to the NaturalHealth365 Podcast, “Blue light therapy.”

References:

sciencedaily.com/releases/2...

northwestern.edu/newscenter...

naturalhealth365.com/blue-l...

Source:

naturalhealth365.com/insuli...

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  • That's what I was telling about pollution . Apart from air pollution , water pollution & food pollution , modern technology and scientIfic advancemen caused sound pollution and light pollution also which all lead to many ailments which are playing havoc with human life .Technology has contributed to growth in many areas , but it is not with out any side effects .

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  • There is a news item about the study of prolonged exposure to air pollution which causes insulin resistance . DATED 10-9--2016 . The Institute of Epidemology at Helmholtz zentrum Munchen in Germany did the study.

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