May/090
Viagra. Who is using it in danger of infertility?
We’re back talking about the famous blue pill! This time, however, could be bad news coming for the men who found in viagra a miracle cure for their problems of impotence. The gynecologist at Queen’s University Belfast, David Glenn, argues that the use of blue pill may damage sperm causing infertility. Research will be published in the journal Fertility and Sterility but to anticipate the content was the newspaper The Observer in the online version.
In the course of an experimental study samples of semen taken from some volunteers were placed in a solution of viagra. British scholars led by Glenn noted that the compound have so damaged the structure of sperm (more specifically, the apical part, called acrosoma) containing enzymes useful to destroy the membrane that surrounds an egg allowing the sperm to fertilize.
But, according to Dr. Glenn, the data even more worrying is that at some specialized centers for assisted reproduction is administered viagra to patients to increase their fertility with the result instead of damaging even more, at least according to the English scholar, couples who have trouble procreating. A note of caution, though, came from Dr. Vincent Gentile, president of the Italian Society of Andrology and Urology at the primary Policlinico Umberto I in Rome. In fact, says Gentile, the dose of viagra used for the experiment is rather high and thus higher than the dose commonly recommended against ‘impotence. Furthermore, there are other studies showing the opposite of what the Dr. Glenn. Then viagra would not be detrimental to fertility. In any event, as always, the data obtained will be further developed. But in the meantime you would you use it?
May/090
Piperine: black pepper, to defeat Vitiligo
It would be secure in one of the spices most commonly used on our table the secret to defeating the unsightly white spots caused by vitiligo, a skin disease whose origin, although many hypotheses have been advanced, is still unknown. Indeed piperine, a substance contained in black pepper, would have the power to make it a bit darker skin in no time. The discovery of a group of researchers at King’s College London and was published by the British Journal of Dermatology. In the course of an experimental study, conducted on laboratory mice, British researchers have applied the piperine on the skin of guinea pigs obtained in a few weeks his darkening.
Some of the mice treated with piperine were also subjected to a treatment based phototherapy UV rays. It was found that while treatment with piperine alone makes the skin darker in just six weeks, when it was coupled to UV exposure was possible to obtain results more visible and lasting in less time. The efficacy of piperine was due to its ability to stimulate the melanocytes in the skin, i.e. the cells responsible for its color. The discovery could prove important for all people with vitiligo, because the use of this drug would be useful for filling areas made clear by the disease because of abnormal pigmentation which originates in the corruption that melonociti stop producing melanin.
Vitiligo is a disease that affects about 1% of the world, appearing equally in both sexes. Makes its appearance before the twenty years and unfortunately the depigmented areas of skin are often quite visible (hands, neck, face, eye and lip contour), which is why those affected often experience a marked psychological distress and difficulty in relationships interpersonal. Currently there are many possible therapies targeted according to the specific needs of the patient (type of vitiligo and skin type, to take just one example). Moreover, vitiligo is not only an aesthetic problem because it is often associated with autoimmune diseases.
We do not know yet if and when marketed dermatological preparations containing Piperine. But even in this case is the advice as always: if you are suffering from vitiligo please consult a dermatologist. He will give you all the information you need and indicate the most appropriate treatment in your case.