Study Highlights a Simple Health Benefit
A new study has shown that natural daylight can help people with type 2 diabetes control blood sugar levels. Researchers from the University of Geneva and Maastricht University conducted the study. They found that regular exposure to natural light improves metabolism and glucose control. Importantly, this is the first study to confirm this benefit scientifically.
Better Blood Sugar and Hormone Balance
According to the researchers, people who spent more time in natural light maintained stable blood sugar levels for longer periods. In addition, their bodies produced higher levels of melatonin in the evening. This hormone supports healthy sleep patterns. At the same time, fat metabolism also improved. As a result, overall metabolic health showed clear progress.
Circadian Rhythm Plays a Key Role
Experts say metabolic diseases often increase when the body’s internal clock gets disturbed. Natural light helps reset this internal clock, known as the circadian rhythm. When the rhythm stays balanced, the body manages sugar and fat more effectively. Therefore, daylight exposure plays a vital role in diabetes management.
How Researchers Conducted the Study
For the study, researchers selected 13 participants aged above 65 with type 2 diabetes. They observed the participants over two separate sessions lasting 4.5 days each. During one session, participants received natural daylight exposure. During the other, they stayed under artificial lighting. Throughout the study, researchers closely monitored blood sugar, hormones, and metabolism.
Clear Results Support Daylight Exposure
The findings showed that natural light improved coordination between the brain’s main biological clock and other organs. This coordination helped regulate blood glucose more effectively. Consequently, participants showed better metabolic control during daylight exposure sessions.
A Simple Lifestyle Change with Big Impact
The study, published in Cell Metabolism, suggests an easy lifestyle adjustment for diabetes care. Spending more time outdoors or near windows during the day may support blood sugar control. While medical treatment remains essential, experts believe natural light can act as a powerful supportive factor in managing type 2 diabetes.
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