Antioxidant Supplements Don’t Help Men with Infertility

A new study from the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) finds that antioxidant supplements do not improve semen quality in men diagnosed with infertility.Antioxidant Supplements Don’t Help Men with Infertility

The study was a double-blind, randomized, and placebo-controlled and included 171 couples where the male partner had at least one abnormal reading on a test evaluating sperm concentration, mobility, shape, and DNA quality.

Men were divided into two groups one of which received placebo and another one received an antioxidant supplement containing vitamins C, E, and D, as well as selenium, l-carnitine, zinc, folic acid and lycopene for the period from 3 up to 6 months.

Upon the completion of the experimental phase, the team of researchers found no statistically significant differences in sperm concentration, mobility, shape, and DNA quality between the placebo and antioxidant groups.

Study: a Handful of Nuts Every Day Increases Sperm Production by 16%

A new Spanish study that eating a handful of nuts, such as almonds, hazelnuts, and walnuts, improves the sperm count by 16%. Also, nuts boost sperm movements by 6%, its survival by 4% and shape by 1% that are all related to male fertility.

For the study, a team of researchers from the University Rovira I Virgil, Tarragona, Spain, analyzed 119 healthy men aged between 18 and 35 years for 14 weeks. The results of the analysis showed that a handful of nuts on a daily basis reduces sperm’s DNA damage.

Author of the study Dr. Albert Salas-Huetos says: “Evidence is accumulating that healthy lifestyle changes such as following a healthy dietary pattern might help conception and of course, nuts are a key component of a Mediterranean healthy diet.”

The findings of the study were presented at the European Society of Human Reproduction and Embryology in Barcelona, Spain.

Sunscreen Can Cause Infertility in Men

A new study by Danish scientists has shown that the chemical substances that protect the skin from harmful UV rays, may be the reason for male infertility.

Sunscreen can deprive a man of having children, destroying sperm cells. The fact is that almost half of the substances present in the composition of these funds mimic the action of the female hormone progesterone, which prevents the normal functioning of male germ cells. Lotion absorbed by the skin, whereupon the chemicals get into the bloodstream.

Niels Skakkebaek, a professor of the University of Copenhagen, said that these results are interesting and may partly explain why unexplained infertility is so common. Professor and his colleagues tested 29 UV filters permitted for use in the manufacture of sunscreens and lotions, for live sperm cells obtained from completely healthy donors. Nearly half of the UV filters have broken function of sperm cells.
Sperm has a special channel, which is a receptor for the female hormone progesterone. 13 filters of all tested violated the vital function of male sex cells – such as the movement of sperm.

Professor Skakkebaek said that this effect began at very low doses of chemicals, lower than levels of certain UV filters found in people after applying sunscreen all over the body.
This proves once again that the principle of “the more – the better” does not work when it comes to health. And when choosing a sunscreen is better to be safe and thoroughly examine its composition.

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