Bright white light is amply used to treat depression. It is shown to suppress melatonin (the hormone that controls the sleep-wake cycle), synchronize circadian rhythms and soothe anxiety. The spectral colour of light is significant to understand its therapeutic quality.
Green light may have this effect since it reacts strongly with a sleep hormone called melanopsin (10) (a different hormone than the much better-known melatonin!). Green light, like blue light, has shown potential calming effects outside lab settings as well, including in hospitals.
Exposure to blue light between 30-60 minutes a day has been shown to improve depressive symptoms and raise melatonin levels at a rate that is similar to those taking antidepressants.
Gray and blue are often considered depressive colors that may contribute to feelings of low mood.
1. Blue light. According to a 2017 study in the scientific journal PLOS ONE (9), blue lighting “accelerates the relaxation process after stress in comparison with conventional white lighting.” This study found that stressed people immersed in blue light relaxed three times as quickly as in white light.
Red LED light therapy may reduce inflammation and stimulate the production of collagen, a protein responsible for younger-looking skin that diminishes with age. Blue LED light therapy may destroy acne-causing bacteria (P. acnes).
Purple – The Nightcap
Purple light can help you fall asleep. It also reduces emotional and mental stress. The nervous system and eyes are linked with this secondary colour. Contrary to red light, purple light decreases sexual desires.
Red. A very powerful color, red can easily raise energy levels and stimulate moods. Because of its power, it can help combat depression by creating positive thoughts and feelings.
Light therapy — which involves sitting close to a special light source every morning for at least 30 minutes — can help improve SAD. But many people don't realize that this therapy can also be effective for major depression and depression that occurs during or after pregnancy, known as perinatal depression.
Red light in the evening can help improve mental health. This is because red light in the evening helps increase the secretion of melatonin which leads to better sleep at night. Better sleep at night leads to improved cognition and overall mental wellbeing.
Blue light therapy may help some people with depression regulate certain symptoms. This therapy seems most effective in people with seasonal depressive disorder. However, other forms of depression may also benefit from it. Research has been generally positive.
Exposure to blue light wavelengths (peaking at a 460 nm) stimulates the body's production of serotonin and dopamine. Serotonin is a neurotransmitter that affects mood, appetite, sleep, temperature regulation, and some social behavior.
Yellow: Have you ever wondered why Smiley is yellow? The reason is that yellow helps to release a chemical in the brain called Serotonin, essential for causing a happy mood. Studies have proven that yellow color enhances concentration and gives the brain and nervous system a “ wake-up call ”.
Yellow was most often associated with a normal mood and grey with an anxious or depressed mood. Different shades of the same color had completely different positive or negative connotations.
The green ribbon is the international symbol of mental health awareness. Wear a green ribbon to show colleagues, loved ones or simply those you walk past that you care about their mental health. It can also be worn in memory of a loved one.
Blue light therapy is the most effective for anxiety and other mood disorders. This treatment aims to correct both physiological and psychological imbalances. When the body is stressed, blue light can effectively calm it. Blue light has the most energy of any color in the electromagnetic spectrum.
Conclusion. Light treatment is an effective treatment for Sub-SAD. The use of narrow-band blue-light treatment is equally effective as bright white-light treatment.
Previous studies reported that blue tended to trigger negative emotional states such as depression, whereas yellow triggered positive emotional states of being cheerful and delightful15).
Research has shown that a lamp with light intensity of 10K lux set 16 to 24 inches away at a 45-degree angle from the eyes for 30 minutes can help in treating SAD and other mood disorders.
When we're feeling stressed out, we subconsciously look to blue. We might look up to the sky for a bit of daydreaming to calm down or take a trip to the beach to stare out into the water and enjoy some quiet time. In fact, it's said that looking at the color blue can produce chemicals in the body that promote calming.
The Purple Light Nights movement not only aims to increase awareness of domestic violence, but also show those who suffer that there are safe spaces and people who stand with them.
Purple LED lights are often used for decoration and mood lighting. They are also believed to have soothing and calming e.
Yellow light - reduces swelling, redness and inflammation. Used to treat sunburns. Green light - creates a calming effect on skin with anti-inflammatory properties. Lightens hyper pigmentation of spots revealing a brighter complexion.