#1. Contraceptives can protect against STDs
#2. Gonorrhea can be transmitted through deep prolonged kissing
#3. HIV can be transmitted by hugging carriers too tightly
#4. Using antibiotics before unprotected sex can protect against STDs
#5. Syphilis left untreated can affect the brain and spinal cord
The point of view of your article has taught me a lot, and I already know how to improve the paper on gate.oi, thank you.