One of the important things in human body is the vitamin D. The role played by this vitamin is invaluable. The sun is the only natural source of vitamin D. It is for this reason that many people long for basking in the sun. Some places in the world are less privileged when it comes to receiving sunlight. Places like Houston usually experience short periods of sunlight and long periods of winter. Consequently, many alternatives have been developed but the most popular is that of tanning salons. Houston tanning salons are gaining popularity at a very alarming rate. This can be attributed to the efficiency of their tanning equipments. The tanning beds, which are available in most of these salons, are a good source of ultraviolet rays. These UV rays are very useful in providing the body with vitamin D. apart from acting as a source of vitamin D, the tanning beds also make the client feel relaxed and increases their mental well being. Moreover, the tanning salons provide a controlled environment for exposing human beings to ultraviolet rays. This minimizes the risk of sunburns and over exposure to dangerous rays of long wavelength. Nevertheless, you should be careful not to be addicted to the tanning beds.