Role of UV lights in Tanning your body

Eighty years ago, when sun exposure was first associated with skin cancer, popular culture insisted that "a nice brown color signifies health and good times, and is a pleasant thing to see."We know that sun exposure can be fatal, and today’s public awareness campaign emphasizes sun protection to prevent skin cancer. But we also know that sunlight is important for our health and plays a role in many biological processes when how long does it take to tan. In fact, some physicians and scientists are taking a closer look at sunlight to uncover the lesser-known benefits of ultraviolet (UV) light.

What is UV light?

When we are talking about the dangerous component of sunlight, we are really talking about UV light. UV light is ionizing radiation, which means that it frees electrons from atoms or molecules, causing a chemical reaction. UV lights are divided into three categories listed in order of increasing energy radiation: UVA, UVB, UVC.

UVC is the most harmful, but the ozone layer and other elements of the atmosphere filter it out before it reaches to how long does it take to tan. The same situation holds a large percentage of UVB light. But almost all UVA light reaches the Earth's surface.

Both latitude and weather are major factors in our personal exposure to UV radiation. Countries farther away from the equator receive the least amount of UV radiation during the winter months, while the equatorial countries receive the most from how long does it take to get a tan?

UV light causes chemical reactions in the body

Unlike visible light, energy from UV radiation can be absorbed by molecules in our body, causing a chemical reaction. When energy from UV radiation is absorbed by the RNA DNA, it can produce a reaction that gives rise to a genetic mutation. Some of these mutations can lead to the development of skin cancer, the most common cancer in American basal cell carcinoma, squamous cell carcinoma and malignant melanoma (one of the most malignant cancers) all associated with exposure to UV light.

However, not all chemical reactions that induce UV light are harmful. In fact, some of them are beneficial. For example, we can get vitamin D by eating some plants and animals, but the main source of vitamin D is exposure to UV radiation.

Vitamin D is important for maintaining bone density by increasing calcium absorption in the intestines. Low levels of vitamin D cause osteoporosis. In addition to its effects on bones, vitamin D has also been shown to improve balance and muscle strength in the elderly, leading to a reduction in the number of falls leading to fractures.UV light causes the body to synthesize other molecules, in which molecules like opioids are “high”.

UV reduces cancer mortality

Research suggests that exposure to the sun can reduce the risk of lung, prostate, breast, colorectal and pancreatic cancers. This protective effect against cancer is heard in most sunny countries. While small studies of colorectal and prostate cancer contradict this finding, many studies support a beneficial relationship between sun exposure and internal cancer, and have suggested that some types of sun have been shown to prevent the risks associated with exposure, which increase its potential. Can exclude.

Sunlight can also improve the results of cancer. Diagnosis for patients diagnosed in summer and autumn is better than winter diagnosis, and full exposure to the sun before diagnosis is a predictor of survival.

Given the association between sun exposure and vitamin D production, it was initially thought that vitamin D was the root cause of improved cancer outcomes. Unfortunately, there is still a lack of data to support this. Preliminary tests of vitamin D supplementation have failed to show the benefits of cancer prevention, with researchers beginning to believe that these benefits are due to the effects of UV radiation.

Sponsor Ads

• Ad Space Available - Rent it Now!

Report this Page

Created on Feb 19th 2021 05:12. Viewed 180 times.

Share on APSense

Comments