came across a couple of circadian rhythm studies recently (one just was published this week) that add to the growing body of research that links fertility problems and circadian rhythm dysfunction. While infertility is a multifactorial problem with involvement of… Read More »Fertility Problems: Connection to Circadian Rhythm Dysfunction
It has been known for a couple of decades that exposure to light at night increases the risk of breast cancer. This is mainly due to light at night decreasing melatonin production, since melatonin acts as an antioxidant and helps… Read More »Artificial Light at Night Causes Breast Cancer?
So you are thinking about getting some blue-blocking glasses to wear for a couple of hours before bedtime… Are they really worth it? Is this just some fad – some kind of woo-woo hippy-dippy crap? I think the evidence from… Read More »Research studies on blue blocking glasses.
People everywhere seem to be throwing a collective temper tantrum. Logic need not apply. Facts are irrelevant. Truth changes daily. I know that I’m not the only one to have noticed this trend! People blame TV, the internet – no,… Read More »We Are All Acting Like Toddlers Needing a Nap!
Once you realize that there are a bunch of health consequences connected to artificial light at night, you may be wondering what to do about your own outdoor lighting. First and foremost, consider switching to a lower watt, red-tinted bulb… Read More »DIY Circadian Friendly Outdoor Lighting Projects
Wondering how much a ‘lux’ is? or how many lux you get from your smartphone? Here is a handy infographic on the topic.
Light in the blue wavelengths sets our circadian rhythm. Great when we get sunshine in the morning, but artificial light at night is messing us up! Basic overview: Blue light (~480nm) hits our retinas and suppresses melatonin production. Prior to… Read More »Is ADHD Caused by Light at Night?
I’ve outlined the harmful effects of blue light at night (from TV, computers, phones, tablets, and CFL/LED bulbs) on adults in previous articles. Quick overview: it increases the risk of depression, anxiety, weight gain, diabetes, and certain cancers. What does… Read More »Light at night may affect kids even more than it does adults.
Optimizing your lighting to be friendly to your circadian rhythm can be fun! Key ideas to keep your home lighting circadian-friendly: Eliminate light in the blue-wavelengths at night. (Check out all the health reasons why to eliminate blue light at… Read More »DIY Circadian-friendly Lighting Projects