Blue Light, Diabetes & Obesity
So while headaches may seem plausible from long hours in front of screens it may be more shocking to learn how blue light might be contributing to weight gain, diabetes, obesity and heart disease. Of course working more for most of us means moving less and moving less means burning less calories and decreased muscle tone. Research is also indicating that again blue light may be the culprit in yet another disruption to our natural hormone balance.

Researchers are linking HEV-light exposure to some cancers, heart disease, diabetes and depression. A Harvard study shed a little bit of light on the possible connection to diabetes and possibly obesity. The researchers put 10 people on a schedule that gradually shifted the timing of their circadian rhythms. Their blood sugar levels increased, throwing them into a prediabetic state, and levels of leptin, a hormone that leaves people feeling full after a meal, went down. (click here to read the study).  

Leptin is an important hormone that helps regulate our appetite. Leptin comes from the Greek word leptos, meaning ‘thin’. In humans our fat cells produce and secrete this hormone, while receptors are found throughout our bodies. Leptin has been found to increase satiety which reduces the amount of food we eat and also increasing our energy expenditure. It seems that genetic factors can affect some individuals but for anyone disruption to our circadian rhythm from blue light can interfere with leptin receptors leaving us prone to decreased energy expenditure and increased appetite.
October 24, 2018 by Boca Blu Admin Team

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