A new study reveals that exposure to natural daylight can significantly improve metabolic health in people with type 2 diabetes. Researchers found that daylight helps stabilize blood glucose levels, enhances fat metabolism, and strengthens circadian rhythms. The findings highlight the importance of light exposure in managing diabetes beyond medication and diet.
A groundbreaking study published in Cell Metabolism has shown that natural daylight exposure can play a vital role in improving health outcomes for individuals with type 2 diabetes. Conducted by researchers from the University of Geneva (UNIGE) and Maastricht University, the study demonstrated that patients exposed to daylight had better glycaemic control, spending more time within normal blood glucose ranges compared to those under artificial lighting.
The research also revealed that daylight exposure improved fat oxidation and boosted evening melatonin levels, strengthening circadian rhythms. With most people spending nearly 90% of their time indoors, the findings emphasize the need to rethink workplace and lifestyle environments to incorporate natural light for better health outcomes.
Key Highlights:
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Blood Glucose Stability: More hours spent in normal glucose range with less variability.
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Metabolic Benefits: Increased fat oxidation and improved metabolic signatures.
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Circadian Rhythm Support: Higher evening melatonin levels, aiding sleep and recovery.
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Workplace Implications: Natural light in offices could support diabetic employees’ health.
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Study Design: Controlled crossover study with diabetic participants under daylight vs. artificial light conditions.
This research underscores how simple lifestyle changes—like exposure to daylight—can complement medical treatment and improve quality of life for diabetics.
Sources: The Hans India, News Medical, StudyFinds, EurekAlert