![]() ![]() The researchers put 10 people on a schedule that gradually shifted the timing of their circadian rhythms. That's not proof that nighttime light exposure causes these conditions nor is it clear why it could be bad for us.Ī Harvard study shed a little bit of light on the possible connection to diabetes and possibly obesity. ![]() Some studies suggest a link between exposure to light at night, such as working the night shift, to diabetes, heart disease, and obesity. Charles Czeisler of Harvard Medical School showed, in 1981, that daylight keeps a person's internal clock aligned with the environment. The circadian rhythm of people who stay up late is slightly longer, while the rhythms of earlier birds fall short of 24 hours. Light and sleepĮveryone has slightly different circadian rhythms, but the average length is 24 and one-quarter hours. And the proliferation of electronics with screens, as well as energy-efficient lighting, is increasing our exposure to blue wavelengths, especially after sundown. Blue wavelengths-which are beneficial during daylight hours because they boost attention, reaction times, and mood-seem to be the most disruptive at night. Not all colors of light have the same effect. Worse, research shows that it may contribute to the causation of cancer, diabetes, heart disease, and obesity. At night, light throws the body's biological clock-the circadian rhythm-out of whack. Now, in much of the world, evenings are illuminated, and we take our easy access to all those lumens pretty much for granted.īut we may be paying a price for basking in all that light. Until the advent of artificial lighting, the sun was the major source of lighting, and people spent their evenings in (relative) darkness. ![]() But it does NOT actually monitor your browsing history or require your personal information to work properly.What is blue light? The effect blue light has on your sleep and more.Īlthough it is environmentally friendly, blue light can affect your sleep and potentially cause disease. * The notice you see about having access to your history and website data is automatically generated because AdBlock runs on every tab. We believe users should control what they see on the web, so you can easily opt out in AdBlock’s settings. Just click "Add to Chrome," then visit your favorite website and see the ads disappear! Choose to continue seeing unobtrusive ads, whitelist your favorite sites, or block all ads by default.ĪdBlock participates in the Acceptable Ads program, so unobtrusive ads are not blocked by default in order to support websites. AdBlock also protects your browser from malware and stops advertisers from accessing your browsing history and personal information.ĪdBlock for Chrome works automatically. ![]() ☆ Get fast, friendly support from the AdBlock team, plus a robust Help Centerĭownload AdBlock’s free ad blocker to block ads everywhere on the web. ☆ Enjoy custom ad blocking by replacing some ads with pictures of cats, dogs, and landscapes ☆ Backup and sync your whitelists and custom ad blocking rules across your Chrome profiles ☆ Customize your experience with filters, whitelists, dark mode, and other colorful themes ☆ Improve page load times and enjoy a faster Internet ☆ Browse safely by blocking malicious ads with malware, scams, and cryptocurrency miners ☆ Block third-party trackers and protect your privacy ☆ Block pop ups, ads, and annoying banners (even remove video ads!) on YouTube, Facebook, Twitch, and all your favorite sites AdBlock is the best ad blocker with over 60 million users, and one of the most popular Chrome extensions with over 350 million downloads! ![]()
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