Throughout history, mankind has revered youth, vigor and beauty, and it is still so to this day. The search for the holy grail, means to extend vigor and the pursuit of a sunblock tan are all manifestations on the focus on health. A pithy advertisement states if a good body came in a bottle, everyone would have one, the same is true of a sunblock tan.
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.
The sun has long been important to mankind, not just for a sunblock tan, as expressed in culture. The popular cartoon character superman draws strength from the yellow sun, although he never attains a sunblock tan, but people do gain health benefits from exposure to sunlight. There are theories defining how exposure to the sun, or lack thereof, has a powerful influence on circadian rhythms and may also affect disease.
Within the brain there is a gland known as the pineal. Medical science has debated its purpose and function for centuries. That it could play a role in getting a sunblock tan was never imagined, such is the complexity of human physiology. The pineal controls the release of melatonin, which, through its impact on melanin, allows the skin to develop a 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.
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.
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.
The sun has long been important to mankind, not just for a sunblock tan, as expressed in culture. The popular cartoon character superman draws strength from the yellow sun, although he never attains a sunblock tan, but people do gain health benefits from exposure to sunlight. There are theories defining how exposure to the sun, or lack thereof, has a powerful influence on circadian rhythms and may also affect disease.
Within the brain there is a gland known as the pineal. Medical science has debated its purpose and function for centuries. That it could play a role in getting a sunblock tan was never imagined, such is the complexity of human physiology. The pineal controls the release of melatonin, which, through its impact on melanin, allows the skin to develop a 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.
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.
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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