Benefits and harms of sun exposure

Spread the love

In recent years, an increase in the incidence of skin cancers has been detected worldwide, closely linked to the personal customs of sun exposure and its ultraviolet (UV) component, as well as the social perception that tanning It is desirable. For this reason, it is essential that you know the harmful effects of UV radiation and determine a change in your lifestyle that helps curb the trend of continuous increase in skin cancer cases.

First, you should know that the intensity of UV radiation depends on various factors. The higher the sun is in the sky, the more intense the UV radiation. Therefore, generally the greatest intensities of UV radiation occur around noon, when the sun reaches its maximum height. In addition, the closer to the equator, the more intense the radiation, and we know that the line of the equator crosses Colombia. The intensity of UV radiation is maximum when there are no clouds, but it can be high even with clouds. Other factors are altitude and ozone, because at higher altitude the atmosphere absorbs a lower proportion of UV radiation, although ozone absorbs part of it.

Harm of sun exposure

Prolonged exposure to the sun can cause acute and chronic effects on the health of the skin and eyes. Sunburn and tanning are the best known acute effects of excessive sun exposure; In the long term, premature aging of the skin occurs as a result of the degeneration of cells, fibrous tissue and blood vessels. Chronic effects comprise two major problems: skin cancers and cataracts.

However, small doses of UV radiation are beneficial for humans. Therefore, it is necessary that you also consider the positive side.

Benefits of sun exposure

  • The skin captures energy and, when exposed to the sun, receives numerous vital radiations.
  • Stimulates the nervous system.
  • It promotes the production of vitamin D.
  • It fixes calcium and iodine in the body.
  • It benefits the muscular system and the bone.
  • Regulates the blood sugar rate.


  1. Ideally, expose yourself to the sun little by little. Start for a quarter of an hour and gradually increase the exposure time, without spending an hour and a half a day.
  2. Although the skin is accustomed to the sun, it is not advisable to take it more than 10 minutes during the central hours of the day.
  3. During the exposure time, it is necessary to drink water to avoid dehydration of the skin tissues.
  4. In no case, sunbathe without adequate protection according to your skin type . Apply preferably 2 or 3 times a day.
  5. If you must stay for a long time in the sun, it is essential that you cover your head with a cap or hat and protect your eyes with sunglasses.

Avoid tanning beds.

You can also find five simple steps to take care of your skin without complications here .

Leave a Reply

Your email address will not be published. Required fields are marked *