Not long ago, what is now considered a healthy skin tone was considered a mark of a low social status. What was called a farmer tan, was the result of long days working in the fields on a regular basis, and farming did not fit well with high society. Fashion has a way of making dramatic swings, and now a well developed sunblock tan is essential to looking beautiful.
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.
When it comes to disease, the solar ultraviolet rays can be a direct or indirect influence. Developing a healthy sunblock tan may inhibit some ailments and risk others. Solar exposure may inhibit the development of multiple sclerosis. Multiple sclerosis is widely known to afflict a disproportionately larger number of individuals who live in northern latitudes, the greater the latitude, the higher the incidence of mortality from the disease.
There are also detrimental effects of too much exposure, commonly sunburn, but more seriously skin cancer. Directly attributable to overdosing on the solar rays, it is the condition those seeking a perfect sunblock tan must be careful to avoid. Limiting the time one remains in direct sunlight is the best answer, and even in tanning booths there is a concern.
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 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.
When it comes to disease, the solar ultraviolet rays can be a direct or indirect influence. Developing a healthy sunblock tan may inhibit some ailments and risk others. Solar exposure may inhibit the development of multiple sclerosis. Multiple sclerosis is widely known to afflict a disproportionately larger number of individuals who live in northern latitudes, the greater the latitude, the higher the incidence of mortality from the disease.
There are also detrimental effects of too much exposure, commonly sunburn, but more seriously skin cancer. Directly attributable to overdosing on the solar rays, it is the condition those seeking a perfect sunblock tan must be careful to avoid. Limiting the time one remains in direct sunlight is the best answer, and even in tanning booths there is a concern.
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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