As people mature and older, the defense mechanisms will probably be weaker and weaker. It is very important to take more exercise to maintain fit. Old people is one of the group which may have weak immunity, they should do a little exercis…

It's reported on Yahoo News there are STDs you can have without even knowing it including chlamydia, gonorrhea, genital herpes, HPV and trichomoniasis. The signs and symptoms of these STDs will not be visible in the early stages. You will …

Study finds that sperm counts in men in North America, Australia, Europe, and New Zealand are plunging. The chosen studies were well distributed in the nearly forty years from the study period and among 50 different countries. The high pro…