Effects Of Blue Light On The Brain

Blue light exposure at night from smartphones tvs ipads tablets and computers and lack of sunlight and full spectrum light during the day is a major risk factor for insulin resistance anxiety depression mood disorders headaches and other health problems.

Effects of blue light on the brain.

Among the visible light spectrum blue wavelengths have the most powerful effect on your sleep wake internal body clock. The visible light with the highest intensity is blue light and just above it on the spectrum is uv radiation. It has long been known that light exerts powerful effects on the brain and on our well being. As light rays hit those cells they tell the brain to stop pumping.

Light is not only required for vision but is also essential for a wide range of non visual functions. Blue light and our eyes. While light of any kind can suppress the secretion of melatonin blue light at night does so more powerfully. The blue light.

Red light does seem to raise heart rate while blue light lowers it. The fact that blue light penetrates all the way to the retina the inner lining of the back of the eye is important because laboratory studies have shown that too much exposure to blue light can damage light sensitive cells in the retina. Human eyes have receptors that contain a photopigment called melanopsin that is sensitive to blue light. Exposure to blue light is detected by the eyes and signals the pineal gland to suppress the secretion of the hormone.

Blue light exposure may increase the risk of macular degeneration. The effect is small but has been corroborated in a 2015 paper by a group in australia. Blue light suppresses the release of melatonin in our brains which leads to a lower quality of sleep which in turn can contribute to a variety of negative health effects. Both natural and artificial blue light can boost your alertness and mental.

One concern is that because blue. There are countless clinical studies that support the harmful effects that blue light can have for people who are prone to headaches or migraine attacks. Recent research by the group has found a small effect of coloured light on heart rate and blood pressure. Specialized cells in the retina are finely tuned to respond to the short wavelength light that comes from a cloudless blue sky.

Effects of blue light and sleep. Blue light and the circadian rhythm.