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.
To get a true healthy sunblock tan, one must turn to the source of energy for the planet; the sun. In addition to providing the true source of nutrition through photosynthesis, it impacts many other facets of life as well. It is so vital that the most accepted theory for the extinction of the dinosaurs is the temporary blockage of the sun, which was nearly complete a terminal event.
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.
Exposure to the sun helps develop a sunblock tan through activation of melanocytes in the skin, the aggregation of which is controlled by melatonin. This same hormone also affects how drowsy people become; an increase in the hormone increases the drowsiness. There is a control mechanism; when sunlight reaches the retina of the eye, it inhibits the release of the hormone, which is why we are drowsier on overcast days.
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.
Exposure to solar radiation appears to stave off MS, and it also helps the body produce vitamin D from cholesterol. As with so many other things, however, too much can be detrimental even for the purpose of getting a sunblock tan. Staying in the sun too long results in a sunburn, which can be a serious and painful affliction; with chronic exposure, skin cancer can develop.
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.
To get a true healthy sunblock tan, one must turn to the source of energy for the planet; the sun. In addition to providing the true source of nutrition through photosynthesis, it impacts many other facets of life as well. It is so vital that the most accepted theory for the extinction of the dinosaurs is the temporary blockage of the sun, which was nearly complete a terminal event.
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.
Exposure to the sun helps develop a sunblock tan through activation of melanocytes in the skin, the aggregation of which is controlled by melatonin. This same hormone also affects how drowsy people become; an increase in the hormone increases the drowsiness. There is a control mechanism; when sunlight reaches the retina of the eye, it inhibits the release of the hormone, which is why we are drowsier on overcast days.
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.
Exposure to solar radiation appears to stave off MS, and it also helps the body produce vitamin D from cholesterol. As with so many other things, however, too much can be detrimental even for the purpose of getting a sunblock tan. Staying in the sun too long results in a sunburn, which can be a serious and painful affliction; with chronic exposure, skin cancer can develop.
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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