All sexually transmitted diseases are completely curable.

Explanation

(1) A disease which can be transmitted through sexual contact is called sexually transmitted disease or STD.
(2) These include bacterial infections such as gonorrhoea, syphilis and viral infections such as herpes and AIDS.
(3) Lack of hygiene is usually a major factor in providing conditions for spread of STDs. (4) But unprotected sex with multiple and unknown partners is the highest reason for the spred of STDs.
(5)Some of the ways to prevent STD are as follows.
(a) Being faithful to one's life partner.
(b) Avoid sexual contact with unknown person.
(c) Using condom during sexual intercourse.
(d) Maintaining personal hygiene.