What are sexually transmitted diseases? Mention some STDs and their symptoms. Why do infected people not seek medicalhelp? In which age group do high incidences of these diseases occur? How can the spread of STDs prevented?

The diseases that are transmitted or caused by having sexual relationship are known as sexually transmitted diseases or STDs. Diseases like Gonorrhea, syphilis, candidiasis, HIV infection etc are all STDs. There is no restricted age for this disease. Starting from teen age till death when ever a person comes in contact with an infected person, he or she may get the infection. But the age of 20 to 24 is highly susceptible to this disease.

Avoiding sexual contacts with unknown persons and having safe sex by using condoms can reduce the changes of causing these sexually transmitted diseases.