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Only blue-pump LEDs will be allowed after 2028
Banned in the U.S: Healthy Light Bulbs

A single-minded focus on climate and energy policy promotes unhealthy blue-rich LED lights and effectively bans circadian-friendly lights that promote human health and well-being

A single-minded focus on climate and energy policy promotes unhealthy blue-rich LED lights and effectively bans circadian-friendly lights that promote human health and well-being

What to Feed a Depressed Brain

Focus on high-quality carbs and proteins, especially at dinner.

Focus on high-quality carbs and proteins, especially at dinner.

Why Are Cancer Rates in Young People Climbing?

The recent dramatic rise of cancers in young people, illustrated by Princess Kate's cancer diagnosis, parallels the introduction of blue-rich LED lights and screens.

The recent dramatic rise of cancers in young people, illustrated by Princess Kate's cancer diagnosis, parallels the introduction of blue-rich LED lights and screens.

The Fifth Generation of Light Has Arrived

Because we live indoors 90 percent of the time, we must ensure that the light we see provides the necessary daytime blue and nocturnal blue-free condition essential for good health

Because we live indoors 90 percent of the time, we must ensure that the light we see provides the necessary daytime blue and nocturnal blue-free condition essential for good health

What's the Best Part of Waking Up?

What is the best strategy when waking up in the morning? Numerous strategies are typically recommended, but do they work, and are they the best ones for you?

What is the best strategy when waking up in the morning? Numerous strategies are typically recommended, but do they work, and are they the best ones for you?

The Effect of Daylight-Saving Time on Your Health

The debate over daylight-saving time may seem trivial. However, the time shift significantly impacts our physical and mental health.

The debate over daylight-saving time may seem trivial. However, the time shift significantly impacts our physical and mental health.

Snow Isn't Really White. Here's Why That Matters.

Thinking snow is white is the greatest barrier to adopting healthy circadian lighting. We cannot easily perceive the color spectral components in the light we see.

Thinking snow is white is the greatest barrier to adopting healthy circadian lighting. We cannot easily perceive the color spectral components in the light we see.

Spring Mania: A Different Kind of Spring Fever

Springtime has been associated with warming temperatures, more daylight, and new growth. But for those with bipolar disorder, spring fever has an entirely different meaning.

Springtime has been associated with warming temperatures, more daylight, and new growth. But for those with bipolar disorder, spring fever has an entirely different meaning.

The Cost of Daylight Savings Time

Springing forward is hard on our bodies, but we can offset the stress and fatigue of daylight savings.

Springing forward is hard on our bodies, but we can offset the stress and fatigue of daylight savings.

Could More Sunlight Help You Live Longer?

Three simple behaviors will significantly lengthen your life expectancy. And they are not nutrition, diet, or exercise.

Three simple behaviors will significantly lengthen your life expectancy. And they are not nutrition, diet, or exercise.

Questions to Ask Before Switching on the Lights

Today’s LED lights are a dangerously flawed technology designed for energy efficiency with little regard for human health.

Today’s LED lights are a dangerously flawed technology designed for energy efficiency with little regard for human health.

Blue Light May Not Be Keeping You Awake After All

Think that Night Shift setting on your phone is helping you get to sleep? A study shows that brightness of light matters more for sleep quality than perceived color.

Think that Night Shift setting on your phone is helping you get to sleep? A study shows that brightness of light matters more for sleep quality than perceived color.

8 Tips for Managing Mood and Food Over the Winter Holidays

Winter doesn't have to automatically mean depression and weight gain. If you know which levers to pull, you could emerge this spring happier and healthier than ever.

Winter doesn't have to automatically mean depression and weight gain. If you know which levers to pull, you could emerge this spring happier and healthier than ever.

Eating Late Is Really Bad for You

It's a bad idea to skip breakfast, delay lunch or dinner, or snack at night. Eating early helps your body clock manage blood sugar and ward off breast cancer.

It's a bad idea to skip breakfast, delay lunch or dinner, or snack at night. Eating early helps your body clock manage blood sugar and ward off breast cancer.

The Connection Between Sleep Problems and Depression

Are your sleep problems causing your depression? Or are you suffering from depression and that is leading to sleep problems? The good news: you can remedy both.

Are your sleep problems causing your depression? Or are you suffering from depression and that is leading to sleep problems? The good news: you can remedy both.

Beating Jet Lag

Evidence-based ways to transition more quickly to new time zones.

Evidence-based ways to transition more quickly to new time zones.

To the Many Health Hazards of Shift Work, Add Sex Problems

Working hours other than 9 to 5, shift work, has been shown to contribute to many health problems. Two recent studies show that shift work also increases risk of sex problems.

Working hours other than 9 to 5, shift work, has been shown to contribute to many health problems. Two recent studies show that shift work also increases risk of sex problems.

The Bipolar Sleep Connection

Lack of sleep has long been associated with mood disturbances, and insomnia is a symptom of bipolar disorder. New studies show there is more to the story.

Lack of sleep has long been associated with mood disturbances, and insomnia is a symptom of bipolar disorder. New studies show there is more to the story.

A Worry Practice for Better Sleep

Have you tried a meditation practice but still worry a lot? Create a worry practice in 3 steps to help you sleep, and be awake, better.

Have you tried a meditation practice but still worry a lot? Create a worry practice in 3 steps to help you sleep, and be awake, better.

How Your Emotions Can Affect Your Sleep

Do regret, failure and worry keep you awake at night? Analyzing how we feel and reframing our situation are often not enough. Try this.

Do regret, failure and worry keep you awake at night? Analyzing how we feel and reframing our situation are often not enough. Try this.

How I Got Used to Fasting for 16 Hours a Day

A Personal Perspective: We may have evolved to go without food for long stretches, but imposing it on ourselves is another matter. Here's how one faster managed it.

A Personal Perspective: We may have evolved to go without food for long stretches, but imposing it on ourselves is another matter. Here's how one faster managed it.

Sleep: The Power of Dusk and Dawn

Busting the myth that low-level lights interfere with sleep, and five ways to leverage underestimated sources of light for sleep entrainment.

Busting the myth that low-level lights interfere with sleep, and five ways to leverage underestimated sources of light for sleep entrainment.

Coping During a Heat Dome

Staying cool, mentally and physically, during a heat wave demands solutions that include both individual change and changes to our community and workplace.

Staying cool, mentally and physically, during a heat wave demands solutions that include both individual change and changes to our community and workplace.

How to Heal with Light

Are you a night owl? How does this impact hormones, sleep, and well-being? Here are tips to tune your system to sunrise and sunset.

Are you a night owl? How does this impact hormones, sleep, and well-being? Here are tips to tune your system to sunrise and sunset.