For men and women alike, health and beauty are coveted, with a healthy sunblock tan ranking high as a desirable trait. There is a sound scientific basis for the popularity of the sunblock tan; not only is it visually appealing, it is a marker of good health. As with so many things dealing with the human condition, moderation is the key.
The sun is, of source of vital importance to life on planet earth, even beyond getting a sunblock tan. It provides critical energy and nutrition to all of the creatures alive today. Vegetation is nurtured by the energy in solar rays, creating nutrients through photosynthesis. While most enjoy the sun in the effort to perfect their sunblock tan, there are other reasons to seek solace in the sun.
Mankind has long worshipped Deities that represented and controlled the events he could not otherwise understand. Gods of fire, water, earth and the sun demonstrated respect for the critical elements that created earth itself. The sun was particularly revered, and now science is catching up, with evidence indicating the orb affects how man lives and some mechanisms leading to death.
In the days of Descartes, around 1625, the pineal gland, situated deep within the brain, was considered a sort of gateway between the world and the human spirit. The precise function of this gland is as yet still not completely understood beyond its function on releasing melatonin. This hormone has a number of effects in regulating physiology, among them helping one attain that sought after sunblock tan.
People do not need scientists to explain that solar exposure affects man, even without the happiness a sunblock tan can provide, people feel better on sunny days. The chemical reason for this is on bright days the release of melatonin is inhibited when the light reaches the retina. This same chemical aggregates the melanin in the skin which develops into the sunblock tan so many desire.
Sunlight also seems to directly impact some diseases, and may prevent others, so pursuit of a sunblock tan has benefits and risks. Multiple sclerosis is a debilitating disease that affects the nervous system and is often fatal, and may be prevented by adequate solar exposure. Scientists have found a direct proportionality between higher latitudes and the incidence of the disease, the connection being reduce overall sun exposure in these regions.
There are also a number of negative effects from exposure to the sun, the most obvious being sunburn, the most dangerous cancer. For most human beings, more than fifteen minutes exposure to direct sunlight begins to damage the surface of the skin. Those seeking a sunblock tan must take care not to overexpose the skin.
The three types of sun ultraviolet rays, A, B and C do not all harm skin equally, and that knowledge has driven the development of protective lotions. There has been a lot of progress since the first sticky substance with an SPF value of 2 was produced. It is now possible to gain the value of direct sunlight without all the damage with to get that healthy sunblock tan glow.
The sun is, of source of vital importance to life on planet earth, even beyond getting a sunblock tan. It provides critical energy and nutrition to all of the creatures alive today. Vegetation is nurtured by the energy in solar rays, creating nutrients through photosynthesis. While most enjoy the sun in the effort to perfect their sunblock tan, there are other reasons to seek solace in the sun.
Mankind has long worshipped Deities that represented and controlled the events he could not otherwise understand. Gods of fire, water, earth and the sun demonstrated respect for the critical elements that created earth itself. The sun was particularly revered, and now science is catching up, with evidence indicating the orb affects how man lives and some mechanisms leading to death.
In the days of Descartes, around 1625, the pineal gland, situated deep within the brain, was considered a sort of gateway between the world and the human spirit. The precise function of this gland is as yet still not completely understood beyond its function on releasing melatonin. This hormone has a number of effects in regulating physiology, among them helping one attain that sought after sunblock tan.
People do not need scientists to explain that solar exposure affects man, even without the happiness a sunblock tan can provide, people feel better on sunny days. The chemical reason for this is on bright days the release of melatonin is inhibited when the light reaches the retina. This same chemical aggregates the melanin in the skin which develops into the sunblock tan so many desire.
Sunlight also seems to directly impact some diseases, and may prevent others, so pursuit of a sunblock tan has benefits and risks. Multiple sclerosis is a debilitating disease that affects the nervous system and is often fatal, and may be prevented by adequate solar exposure. Scientists have found a direct proportionality between higher latitudes and the incidence of the disease, the connection being reduce overall sun exposure in these regions.
There are also a number of negative effects from exposure to the sun, the most obvious being sunburn, the most dangerous cancer. For most human beings, more than fifteen minutes exposure to direct sunlight begins to damage the surface of the skin. Those seeking a sunblock tan must take care not to overexpose the skin.
The three types of sun ultraviolet rays, A, B and C do not all harm skin equally, and that knowledge has driven the development of protective lotions. There has been a lot of progress since the first sticky substance with an SPF value of 2 was produced. It is now possible to gain the value of direct sunlight without all the damage with to get that healthy sunblock tan glow.
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