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If you want to tan in the summer, you do not need to sunbathe every day.
In addition, sunbathing every day can play against you.
Instead, if you sun every other day your skin acquires a [45009006] best tan [1945/007] according to a new study conducted by researchers from the Tel Aviv University in Israel, published in the specialized magazine Molecular Cell.
The sun exposure every other day not only helps to improve the tan, but also helps to reduce the damage caused by ultraviolet radiation on the DNA and premature aging of the skin.
48 Hour Cycles
Although the body needs sunlight to produce vitamin D, the sun contains ultraviolet rays that can cause damage.
An accumulation over time, can cause cancer.
To protect itself from this radiation, the body produces melanin a dark pigment that acts as a kind of natural protection against the sun's rays.
Melanin production begins a few hours later.
What researchers have discovered is that this process that takes place in skin cells takes 48 hours to complete.
And, if we expose ourselves again to the sun before that finalized e, it is not complete and the skin takes longer to tan
In other words, the skin produces more melanin if exposed to ultraviolet light every 48 hours compared to exposure every 24 hours.
Carmit Levy, a professor at Tel Aviv University and co-author of the study, explains that the case is similar to what happens in the gym.
We know that if the goal is to increase muscle mbad, we must go. a day of rest between sessions so that the muscle has time to recover.
Vitamin D
The experts came to this conclusion after exposing mice to the sun for different periods and intervals. 60 days
They found that, for maximum protection, the skin cells needed 48 hours apart
. They then repeated the experiment on samples of human skin and obtained the same results.
Invested At the present time, tigers do not know why the cycle is developing over two days and not on one, although they suspect that may be related to vitamin production D which remains rich in blood for 48 hours.
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