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 has powered life on earth since its beginning, feeding the vegetation through photosynthesis, which in turn feeds all other living creatures. Even the fossil fuel so critical to modern life is the result of long dead vegetation transformed by time and pressure. Anything that blocks the sun rays can be damaging, and one would have to turn to a tanning booth for a sunblock tan.
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.
Another common knowledge impact of sunlight is that it makes most people feel better, in addition to the attractive sunblock tan they can achieve. Biologically the reason is melatonin, produced by the pineal, which regulates drowsiness. The release is inhibited directly by the influence of sunlight on the retina of the eye; the presence of the sunlight inhibits the release.
The affect of the sun goes even deeper, beyond the desire for a sunblock tan, to implications that there its actions can directly promote good health, and a lack of exposure can initiate disease. Specifically, science has discovered a strong correlation between higher latitudes and the incidence of mortality due to multiple sclerosis. The higher the latitude, the less intense the suns rays.
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.
Science has determined that the rays are made up of three ultraviolet frequencies known simply as A, B and C. With this knowledge, a number of ointments have been developed for protection. In the pursuit of the perfect degree of sunblock tan, one must carefully use the protection and regulate the length of exposure for best results.
The sun has powered life on earth since its beginning, feeding the vegetation through photosynthesis, which in turn feeds all other living creatures. Even the fossil fuel so critical to modern life is the result of long dead vegetation transformed by time and pressure. Anything that blocks the sun rays can be damaging, and one would have to turn to a tanning booth for a sunblock tan.
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.
Another common knowledge impact of sunlight is that it makes most people feel better, in addition to the attractive sunblock tan they can achieve. Biologically the reason is melatonin, produced by the pineal, which regulates drowsiness. The release is inhibited directly by the influence of sunlight on the retina of the eye; the presence of the sunlight inhibits the release.
The affect of the sun goes even deeper, beyond the desire for a sunblock tan, to implications that there its actions can directly promote good health, and a lack of exposure can initiate disease. Specifically, science has discovered a strong correlation between higher latitudes and the incidence of mortality due to multiple sclerosis. The higher the latitude, the less intense the suns rays.
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.
Science has determined that the rays are made up of three ultraviolet frequencies known simply as A, B and C. With this knowledge, a number of ointments have been developed for protection. In the pursuit of the perfect degree of sunblock tan, one must carefully use the protection and regulate the length of exposure for best results.
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