Write the preventive measure of STDs?

What is STD? Write the preventive measures of STDs

Write down the preventive measures of Typhoid.

Write down the preventive measures of Malaria.

What is air pollution? Write the preventive measures for air pollution.

Give the preventive measures of AIDS

Answer any three of the following (restrict each answer to two or three important sentences) Write a short note on preventive measures for STD

"Prevention is better than cure". Can you suggest some important preventive measures of STD's.

Write any three preventive measures to be taken against drug abuse in adolescents.