Blue light

Dr. Adria Schmedthorst

Busting the myths about screentime, blue light and sleep

You’ve probably heard all the warnings about cutting down on screentime at bedtime to avoid blue light, especially if you hope to get a good night’s sleep. Not so fast. It turns out you can have your iPad, phone or TV, and your sleep too if you just follow a few simple rules…

Dr. Adria Schmedthorst

Why seniors are especially vulnerable to blue light

If you don’t think you’re being over-exposed to blue light, you’re kidding yourself. Think about how often you talk, text, check Facebook, send an email or order groceries on your smartphone, tablet or computer. Now, the news about blue light has gotten more worrisome…

Carolyn Gretton

The disturbing truth about blue light and aging

Natural light just feels good. There’s a good reason for that: it goes hand in hand with our good health, regulating processes in the body. But less exposure to natural light and more to blue light is proving detrimental to how we age…

Joyce Hollman

Myopia epidemic: Why nearsightedness is on the rise

Experts are warning of an emerging ‘epidemic’ of myopia after observing sharp increases in the number of adult-onset cases of nearsightedness among late baby boomers. What gives and is there anything you can do about it?

Carolyn Gretton

Catching AMD before you start losing vision

Age-related macular degeneration (AMD) is the most common cause of sight loss in the Western world. And most people don’t know they have it until they’re already losing their sight. Researchers have been looking for ways to catch AMD before that point, and they may have identified some new early warning signs that can help them do it…

Carolyn Gretton

The link between nighttime light and your thyroid

We use more artificial light than ever at night, both indoors and outdoors, and it’s affecting our health. Night light use is connected with a higher risk of obesity, depression, sleep disorders and diabetes. And according to researchers, it may be raising our risk of a particular type of cancer…