Sun is a yellow star. It is located at the centre of the solar system. It is the largest object and contains approximately 98 percent of the total solar system mass. The sun appears to have been active for 4.6 billion years and has enough fuel to go on for another five billion years or so. Our earth is third closest to the sun after Mercury and Venus.
The three types of solar radiation include ultraviolet, visible, and infrared rays. Sun offers many health benefits for humans. You must know the health benefits of sunlight. UV radiation is a source of vitamin D and has mood enhancing effects. UV radiations can be used to purify water for human use.
Many skin diseases such as psoriasis and fungal infections can be cured by sun radiations. Sunlight is also good to cure vitiligo, a condition that leads to depigmentation of skin.
Sun heat gives relief to joint pain. Sun is also beneficial for patients suffering from heart diseases, asthma, cancer and hypertension. The increased risk of these diseases is due to lack of exposure to sun.
As sun is a source of vitamin D, it helps to cure sclerosis, allergy, asthma, infection, muscle weakness and depression. The UV radiations of the sun also help in killing germs. It also boosts up the immune system. Sun is also good for teeth and bones as it helps the body to produce vitamin D.
If you want to know how is sun helpful to us, read on.
Exposure to sun for about four weeks can cure skin diseases such as psoriasis. This is one of the important health benefits of sunlight.
A research has shown that going out in a sunny day relaxes mind and relieves stress. Hence, this is one of the essential health benefits of sunlight.
Sun helps in lowering high blood pressure. It also reduces excess cholesterol level and improves heart health. Sitting in sun for some hours is a good cardiac exercise.
The benefits of sun are immense. It helps to prevent breast, colon and prostate cancer. It also improves blood circulation and kills cancer producing cells. However, over exposure to sun can lead to skin cancer.
Our immune system helps us fight infectious diseases. Sun boosts up our immune system by increasing white blood cell count and gamma globulin, both of which are important to fight infections. In this way, our body is protected from various viral and bacterial infections.
Whenever sunlight hits our eyes, a signal goes to brain through optical nerve. This increases the production of a chemical called melatonin. This, if present in adequate amount, aids in a good night's sleep.
When we walk in the sun for a few hours, our body sweats a lot and the need for water increases in our body. The outcome is that we end up drinking more water than what actually is lost through sweat. The water that we drink is excreted as urine and along with it toxins from our body. Moreover, sweating can also cleanse the pores of skin and make it healthy.
Sunlight prevents the hardening or stiffening of body tissues that can lead to atherosclerosis. If the blood vessels are stiff, blood flow to vital organs of the body decreases and that can lead to many complications such as heart attack. Sun relaxes body tissues and prevents multiple sclerosis. This is one of the important sunlight benefits.
A reason for this is that the sun increases the capacity of red blood cells to carry oxygen to the body and this keeps us active. This is one of the important health benefits of sunlight.
The effective sun radiations can help to reduce skin fungal infections by killing the molds that grow in a damp environment.
How is sun helpful to us? Vitamin D, produced through exposure to sun, consumes excess cholesterol present in blood and converts it into useful steroid and sex hormones.
Sunlight stimulates various chemicals that help in maintaining brain health. This is one of the important health benefits of sunlight.
Research has shown that if children are exposed to sunlight in first few months of their birth, it will considerably help them in attaining a better height and body.