What effect do red and blue light in the solar spectrum have on the human body?

Full-spectrum lamps are very popular. Do you know what effect the red and blue light in the full spectrum have on the human body?

 

Full-spectrum lamps are very popular. Do you know what effect the red and blue light in the full spectrum have on the human body?

 

 

The red and blue light in the solar spectrum have multiple effects on the human body, which involve many aspects such as human physiology, psychology and skin health.

The effect of red light on the human body

Promote blood circulation and metabolism:

Red light is a short-wavelength, low-energy light, with a wavelength range of 600-700 nanometers. It can penetrate the surface of the skin into the deep tissues and accelerate the metabolic process by promoting blood circulation. This characteristic makes red light often used in the medical field to improve wound healing, relieve muscle pain, reduce inflammation and other symptoms.

Relieve pain:

Red light irradiation can inhibit nerve excitement and relax muscles, thus helping to relieve pain caused by muscle pain, arthritis, etc.

Beauty and skin care:

Red light irradiation can promote the secretion of collagen and fibrous tissue in the skin, thereby improving the skin condition and making the skin firmer and smoother. In addition, red light can also help to fade spots and improve uneven skin tone.

Soothes muscles:

Using red light to irradiate local muscles can stimulate nerve endings and relax the muscles, thereby improving symptoms of muscle stiffness and fatigue.

The effect of blue light on the human body

Regulates biological rhythms:

Blue light is the light with the shortest wavelength and the highest energy among visible light, with a wavelength range of 400-470 nanometers. Blue light can penetrate the cornea and lens, reach the photoreceptor cells on the retina, and then affect the biological clock in the brain. Moderate exposure to blue light helps inhibit the secretion of melatonin and promote the production of serotonin, thereby regulating the body's circadian rhythm and keeping us awake and alert.

Sterilization and anti-inflammatory:

Blue light has bactericidal and anti-inflammatory effects, can inhibit bacterial growth and reduce the risk of infection. In the medical field, blue light is often used to treat skin diseases such as acne and eczema, and promotes wound healing and recovery by killing bacteria on the skin surface.

Warning: Potential hazards of blue light

However, it should be noted that long-term exposure to excessive blue light may cause damage to the eyes, such as visual fatigue, dry eyes and other problems. Therefore, when using blue light sources such as electronic devices, you should pay attention to controlling the use time and light intensity to reduce the adverse effects on the eyes.

 

To sum up, red light and blue light in the solar spectrum have many positive effects on the human body, including promoting blood circulation, relieving pain, beautifying the skin, regulating biological rhythms, and sterilizing and reducing inflammation.

 

 

 

However, when using these lights, one also needs to be aware of their potential risks and hazards to ensure their safe and effective use for human health benefits.