In the right amount, UV rays are needed by the body because they can provide a variety of health benefits. However, UV rays can also be harmful and cause health problems when exposed to excess.
The sun is the main source of UV rays. Basically, the UV light needed by the body to produce vitamin D. This vitamin serves to increase the strength of bones and teeth and helps in the absorption of calcium in the body.
However, UV rays will only be beneficial to the body if they are obtained in sufficient quantity. If excessive, UV rays will damage body tissue and even increase the risk of certain diseases.
Health hazards of UV rays
UV rays can be divided into several types, but the most common are UVA and UVB.Exposure to UVB rays can only reach the outer layer of the skin (epidermis), while UVA rays can reach the middle layer of the skin (dermis).
Here are some health problems that can result from excessive UV exposure:
Skin burns
Skin burns (sunburn) are the most common impacts that occur when you are exposed to too much UV rays. This condition can make the skin red and hot and sore to the touch.
Symptoms Sunburn usually occurs within hours of overexposure to UV rays, but can also occur 12 days later.
In severe cases, sunburn can also cause swelling of the skin, blisters, and weakness due to dehydration. If this happens, you should seek immediate medical attention.
Eye Damage
When exposed to the sun, the skin not only needs protection from UV rays, but the eyes also need extra protection. Indeed, the eye is one of the organs most susceptible to damage if it is frequently exposed to UV rays.
Overexposure to UV rays can cause eye damage resulting in reduced ability to see colors, blurred vision or even permanent blindness.
Skin cancer
Overexposure to UV rays is one of the most common causes of skin cancer, particularly basal cell carcinoma and squamous cell carcinoma. Usually, cancer cells form in parts of the body that are often exposed to the sun, such as the face, neck and hands.
If not treated immediately, cancer can spread to other parts of the skin and even internal organs.Although rare, this condition is classified as dangerous and can be life threatening.
How to protect your skin from the impact of UV rays
To avoid health problems due to excessive UV exposure, you can do the following:
1.Use sunscreen regularly
To protect your skin from ' exposures to UVA and UVB rays, always use sunscreen with SPF 30 at least 15 minutes before outdoor activities during the day. Remember to reapply sunscreen regularly after 1 hour of use.
For safety reasons, the use of sunscreen or sunscreen should be done even if you are at home. You should also apply sunscreen evenly to various parts of your body, including your face, neck, ears, eyes, lips, and back.
2. Wear closed clothing
In addition to using sunscreen, you can also wear closed clothing to protect your skin from direct sun exposure.Wear long sleeves, long pants and a wide-brimmed hat.
3.Avoid exposure to the sun at certain times
If possible, avoid staying outside for too long from 10 a.m. to 2 p.m., as UV radiation is at its maximum.
4.Wearing sunglasses
As explained above, sunlight can damage not only the skin but also the eyes. Therefore, use sunglasses or radiation shielding goggles which can provide UV protection outdoors.
Although UV rays can have a negative effect on your health, that doesn't mean you should avoid them completely. UV rays also have health benefits, provided the exposure is not too long or at a safe time, around 79 a.m.