Obaidul Karim Khan, Author at Science of Sex

7 ways to keep your sex life evergreen

Your sex drive and stamina fluctuate during different times. The penis and vagina don’t always act the way you want

If you ask anybody around you which nation has the biggest size of the penis, everyone will answer black Africans.

There is no man on the planet who doesn’t wish to have a bigger penis. If you are seriously considering

Many people with back pain are afraid to have sex. But there is no reason to reduce sex. But don’t

You don’t need to be concerned if you are able to sexually to satisfy a woman. Women are not concerned

Despite the USA has the world’s hottest sex icons and all favorable conditions for having a good sex life, Americans

Each time something new about orgasms. Researchers reveal all the time new benefits of having frequent sex. You already know

You can’t be more intelligent but you can definitely be wiser. Regular sex makes you wiser. Sex is good nutrition

Some men get very much stimulated during foreplay but the erection goes down before penetration. They get a hard erection

Most of the men ejaculate within a couple of minutes. There are few men in the world who did not