Skip to main content

How Blue Light Positively Affects Your Health: 6 Surprising Benefits

4 minute read

By Ryan Pratt

Our lives are filled with streams of blue light, a component of the light spectrum notably emitted by our screens, LED lights, and even the sun. While it’s frequently vilified due to its potential adverse effects on sleep and eye health, blue light can serve as a beneficial aid to our health when consumed in appropriate doses. Start a search today to find blue light remedies for a variety of health concerns, from high blood pressure to cognitive function.

Shutterstock: Image Point Fr

1. The Daytime Energy Boost

Blue light plays an essential role in regulating our circadian rhythm, our body’s natural sleep and wake cycle. During the day, blue light exposure can increase alertness and cognitive function. It signals to our brain that it’s time to wake up and start the day, leading to improved mood and performance.

Therefore, working or studying in a well-lit, blue-light-rich environment can help you remain focused and productive. Blue light also aids in physiological alertness by suppressing melatonin, the hormone responsible for inducing sleep. This action, in turn, helps combat daytime sleepiness, ensuring our body stays in tune with the natural day-night cycle.

2. Boosting Memory and Cognitive Function

Scientific research suggests that blue light might play a role in enhancing memory and cognitive functions. 1 Exposure to blue light stimulates the production of brain-derived neurotrophic factor (BDNF), a protein vital for brain health.

BDNF supports the survival of existing neurons and encourages the formation and growth of new neurons and synapses. Thus, a moderate exposure to blue light could potentially aid in maintaining or even improving cognitive functions.

3. Blue Light as a Mood Enhancer

Blue light has been shown to play a part in mood regulation. By influencing our circadian rhythms, it affects serotonin production – a key hormone responsible for mood and happiness. Optimal exposure to blue light can lead to an increase in positive mood states and contribute to overall emotional well-being.

Blue light not only helps in promoting happiness but also reducing symptoms of anxiety. As light influences serotonin production, it also indirectly affects other neurotransmitters like dopamine, which plays a role in feelings of pleasure and reward, thereby creating an overall sense of calm and satisfaction.

4. Treatment of Seasonal Affective Disorder (SAD)

Seasonal Affective Disorder (SAD) is a type of depression that’s related to changes in seasons. Researchers have found that blue light therapy, exposing individuals to specific amounts of blue light, can help treat symptoms of SAD. 2

Blue light therapy works by resetting the circadian rhythm, improving mood, and increasing energy levels in individuals experiencing SAD. Additionally, blue light therapy can effectively treat other forms of depression and sleep disorders.

5. Blue Light for Blood Pressure Regulation

Recent studies show that blue light can help regulate blood pressure levels. A study published in the European Journal of Preventive Cardiology found that exposure to blue light significantly reduced blood pressure in participants, comparable to the results obtained from blood pressure-lowering medications. 3

By promoting the dilation of blood vessels, blue light improves blood circulation. This could reduce the risk of heart disease and stroke, two conditions often associated with high blood pressure.

6. Promoting Growth and Healing

Research is still in the early stages, but blue light has shown potential in promoting growth and healing. 4 It’s been found to help heal wounds, treat skin conditions, and even stimulate hair growth by reducing inflammation and increasing blood flow.

In dermatology, it’s used to treat skin disorders like psoriasis and vitiligo. The anti-inflammatory properties of blue light also have the potential to manage conditions like arthritis.

Boost the Amount of Blue Light in Your Life

A plethora of blue light machines have been designed to manage health conditions or enhance one’s appearance. These include:

Each of these blue light devices showcases the versatility and broad potential of blue light in promoting health and well-being.

A Useful Natural Resource

While blue light’s potential negative effects on sleep and eye health should not be overlooked, it’s not all doom and gloom. When we expose ourselves to it in moderation, blue light can offer a range of surprising health benefits.

As scientists explore this balance further, you can likewise research how to incorporate controlled blue light exposure into your life. From boosting your cognitive function and regulating your mood, to managing your blood pressure, blue light has a lot to offer!

Ryan Pratt



5 Products That Can Help Relieve Back Pain Featured-Health

5 Products That Can Help Relieve Back Pain

Living with back pain can be debilitating. That pain can affect every aspect of your life, from trying to complete simple tasks to your quality of sleep. And if your back pain is persistent, it can seriously alter your happiness and your overall well-being. However, you don’t have to continue to suffer in pain. There […]

Read More about 5 Products That Can Help Relieve Back Pain

4 minute read

Natural Ways to Prevent Psoriasis Outbreaks Featured-Health

Natural Ways to Prevent Psoriasis Outbreaks

Suffering from psoriasis can be a frustrating and isolating experience. The itchy, red, scaly patches seem to crop up without warning and dealing with them makes many people self-conscious. Although psoriasis is caused by complex immune system issues, there are ways that we can use our habits and lifestyle to make outbreaks less frequent and […]

Read More about Natural Ways to Prevent Psoriasis Outbreaks

6 minute read