oral sex

Scientists have observed a pair of brown bears kept in Croatia regularly

Recently, the World Health Organization (WHO) has found that oral sex does not use condoms as one of the main causes of the spread of gonorrhea.

HIV only exists in homosexuals, oral contraceptives can fight this virus, HIV cannot spread through oral sex ... are common misunderstandings in the community.

Eat too much salted fish from a young age, eat a lot of preserved or fermented foods; Oral sex ... increases the risk of nasopharyngeal cancer.