Research on male monkeys showed that the loudest, the deepest, produced lesser sperm and had lower fertilization efficiency.
The contaminated environment will have a negative effect on the quality of male sperm, in particular, causing malformed and weaker sperm.
Underwear for men is quite diverse in style and each eyebrow can be easily selected according to preferences.
Time not only affects people's mental and physical but also sperm quality.
New research shows that childhood abuse or neglect can have an impact on men's sperm quality, according to UPI news agency.
Chinese researchers found that sleeping after 0h caused sperm to weaken, possibly even leading to infertility in men.
According to scientists, men's sperm health depends greatly on habits and lifestyles.
Among the causes of male infertility is mainly due to sperm deficiency. This is a disease caused by many causes.
The research results show that, although garlic is a popular spice that has a top anti-cancer effect, but
Face shape can reveal quality