Sunlight good for bone health. Furthermore, it is also good for the quality of sperm. So for the male sterility, you should more often leave the body exposed to the sun. A study of 340 men found that vitamin D, which is produced by the body when exposed to sunlight, improving the quality of sperm. Sperm-sperm had been "a swimmer" better as it moves toward the egg cell, has a greater speed, and more penetrative.

Researchers at the University of Copenhagen tested the sperm quality of randomly selected respondents and conduct a detailed analysis of samples in the laboratory. At the same time, levels of vitamin D in their blood were measured. As a result, nearly half the participants have a number of vitamin D are less related to the lack of exposure to natural sunlight or the length of time in a solarium.

Sunlight is the main source of vitamin D, which helps regulate levels of calcium and phosphorous to generate healthy bones. Furthermore, the number of healthy sperm in men with vitamin D or less was lower compared with men who get adequate vitamin D intake. The ability to absorb calcium also inhibited.

The findings are published in the journal Human Reproduction complements previous research that links vitamin D to the production of sperm. The study also explains why many couples get pregnant when on vacation. The reason is because they are more often outside the room than a regular day or days of work so that higher sun exposure. Similarly, as reported from Dailymail, Saturday (21/05/2011).

Researchers found that nearly half of the participants experienced that insufficient intake of vitamin D below 50 nmol/l. In fact, the optimal levels recommended by most experts is at least 75 nmol/l.

"The level of vitamin D is positively associated with the movement of sperm, which confirms the role of vitamin D in human sperm function," explained Dr. Martin Blomberg Jensen, one of the researchers.

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