Blog Index

THE “Indoor” Pandemic

Modern humans (in developed nations) do not spend enough time in full-spectrum sunlight that …

Summer SAD


SAD in the winter, but SAD in the summer is very real too.

Seasonal Affective Disorder, otherwise known as SAD, is often synonymous with winter. It’s no secret that the long dark days and cold nights can trigger inescapable feeling of depression, exhaustion and anxiety …

A Contemporary Epidemic


What most people don’t realize is that light entering by way of the eyes plays a crucial role in the process of metabolism, breaking down all of the nutrients we get from food, as well as vitamins and mineral …

Light and the Human Body


All life is powered by light. The Sun is the ultimate source of all our energy. Just like plants we are designed to absorb and utilize light. According to Fritz Albert Popp, biophysicist and researcher: “Each s …

Light and Cognitive Function


Cognitive function refers to a person’s ability to process thoughts. Cognition primarily refers to things like memory, the ability to learn new information, speech, and reading comprehension. In most healthy …

The Energy Neessary for Life


The human body is a combination of cells and chemicals that comes to life only when “Nature’s
electricity” LIGHT is present .


Reduce Your Risk of Disease


Nature’s light, sunlight, is vital. It’s the energy of life! Natural light is essential to help regulate brain chemistry and control circadian rhythms that keep us in sync with the rhythm of life. Being stuck in “biologi 

 Metabolic Syndrome?


A new study published in the journal Cell Reports supports this claim. Scientists found that fat cells deep in the skin can detect sunlight and not getting enough can increase the risk of metabolic disrupt

SAD Symptoms


A big misconception about SAD is that it’s just something in your head, however it’s in fact a diagnosable subset of major depression. To be diagnosed with SAD, symptoms must reoccur at least twice a

This new science sounds like something out of science-fiction, but it could be a reality soon.


With a little bit of creative thinking and a few science fiction parallels, you will quickly understand why Optogenetics is one of the most exciting areas of science and medicine. On the surface, Optogen

New Tools Boost Immunity


Health-tech innovations can boosts the immune system and help restore health. A body of research has shown that people with better or non-compromised immune system defeated the COVID-19 infec …

Daily Doses of Green Light May Minimize Migraines


Three years ago, scientists from the University of Arizona reported that exposure to green light appeared to reduce neuropathic pain in rats. Now, the researchers believe that such light could also be us …

Sunlight Strengthens Immunity


Researchers at Georgetown University have found that sunlight energizes the T-cells that play a central role in human immunity. Their findings, published in Scientific Reports, suggest how the skin, the b …

Aging Eyes


A study conducted at University College London (UCL) looked at the potential for manipulating the performance of mitochondria, which are often referred to as the powerhouses of cells. Like they do in cells ...

Color Therepy for Wellness


Colors can influence your mood, personality, feelings, and even your physical energy. Colors can inspire delight, agitate, evoke creativity, sensuality, hunger, or even relaxation, and a multitude of other e ...

Sunlight Inactivates SARS-CoV-2


Sunlight Inactivates SARS-CoV-2 on Surfaces in Lab Study as CDC Says Virus Does Not Spread Easily Across Mediums. Sunlight appears to inactivate the coronavirus which causes COVID-19, according to a study ...

Coronavirus and the Sun: a Lesson from the 1918 Influenza Pandemic


Fresh air, sunlight and improvised face masks seemed to work a century ago; and they might help us now. When new, virulent diseases emerge, such SARS and Covid-19, the race begins to find new …

Stop Daylight-Saving Time?


Clocks were moved forward one hour recently, but some health experts say it might be better if time changes ended for good. It’s more than an inconvenience, it’s a potential health threat, they warn …

Light and Alzheimer’s


Alzheimer’s strikes, with few exceptions, late in life. It destroys up to 30% of a brain’s mass, carving out ravines and depositing piles of amyloid plaque, which builds up outside of neurons. Inside neurons …

SAD and Beyond: From Light Therapy to Light Hygiene


Light therapy for those who suffer from seasonal (SAD) and non-seasonal depression has well documented benefits. For many who suffer from some form of depression, light therapy can be the …

Sunlight, Type 2 Diabetes and Cardiovascular Disease Risk


Healthy, middle-aged adults exposed to more bright sunlight in the 7 days before providing a blood sample had lower levels of markers indicating risk for insulin resistance and dyslipidemia vs. adults …

Color and Light Matter in Medicine


Color psychology is the study of how colors affect human behavior, mood, or physiological processes. Colors are thought to influence our buying choices, our feelings, and even our memories. Ideas related to color …

Shorter Days Can Make You SAD


It’s that time of year, the days are getting shorter and the nights are becoming longer. The sun is setting earlier in the day and rising later in the morning. Fall began with the autumnal equinox September 23 …

The Hidden Dangers of LED Lighting


There are major downsides to most LED lights that are not well known. If you choose to ignore these facts, it could lead to age-related macular degeneration (AMD). AMD is the deterioration of your macula which …

Heart Health & Light


The appearance of sunlight and the advent of oxygen on Earth were undoubtedly the most dramatic environmental changes during evolution. As a result, almost all organisms on this planet are equippe …

Worry about the amount of light at night more than the blue light


A top lighting research group has reported that the amount of light at night — light levels plus duration — can potentially disturb sleep much more than can blue spectrum in the light. The findings marked the sec …

Out with ‘human centric,’ in with ‘nutritional light’


Human-centric lighting is lighting devoted to enhancing vision, wellbeing, and performance individually or in some combination, according to Philips Lighting. Believing that the human-centric lighting movement …

This Indoor Pollution Can Cause Brain Fog


Would you swim in a pool of polluted water? Of course not. Not intentionally anyway. But every day, every one of us unknowingly “swims” in indoor pollution, some of it of our own making. It’s called EMF and it sta …

How Sunlight Affects Sleep, Hormones and Body Fat


Since the beginning of human history, people have lived and worked outdoors during the light of day, absorbing light energy from the sky. An average of 10 hours outdoors each day, 70 hours weekly, was com …

Two Forms of Melatonin?


Melatonin and sunlight are intimately linked and the relationship is unique in the fact that there are two forms of melatonin, circulatory and subcellular.  Both appear to be controlled by either the absence of sunl …

Sun Avoidance Is as Risky as Smoking


Recent research highlights the importance of sensible sun exposure, stating “Current guidelines for sun exposure are unhealthy and unscientific.” The research published in the International Journal of Environm …

Ancient New Medicine


Professionals and patients alike have welcomed changes in healthcare over the past few decades. In the scientific world there has been excitement over breakthroughs, with research highlighting the efficacy of  …

Light at Night Linked to Depression


Professionals and patients alike have welcomed changes in healthcare over the past few decades. In the scientific world there has been excitement over breakthroughs, with research highlighting the efficacy of   …

Don’t Be SAD…


SAD (seasonal affective disorder), also known as winter depression, winter blues or seasonal depression, is a mood disorder subset provoked by reduced daylight hours during fall and winter. People who have norma  …

Accelerated Aging: The Importance of a Stable Circadian Rhythm


As anyone who has spent wakeful nights suffering from jet lag will attest, the human body has a strong sense of time. When this cycle is disrupted, like in jet lag, sleep disorders ensue. According to the America  …

Biological Enlightenment


Every metabolic process, every enzyme reaction, muscular movements, the digestion of food and the burning of fat are all biological processes that are augmented by sunlight energy. A reduction of ‘natural li  …

Photobiomodulation and Your Health


The 2017 Nobel Prize in ‘Physiology or Medicine’ was awarded for the discovery of how plants, animals and humans optimize their health by harmonizing their circadian rhythms with the daily cycle of light and dar …