The most common cause is depression.
I hope this hellps you.
Answer:
All sexually transmitted diseases can be prevented by abstinence (not engaging in sexual activity) and using protection.
If one is sexually active, get tested for STIs regularly. Make sure the partner has been tested as well.
Some STIs are syphilis, genital herpes and hepatitis B.
Answer: Birth control is a way for men and women to prevent pregnancy. There are many different methods of birth control. By learning more about the options, you can decide which method is right for you and your partner.