Conduct a survey in your neighbourhood to find out what the three most common diseases are. Suggest three steps that could be taken by your local authorities to bring down the incidence of these diseases.

(N/A) Based on a typical survey,the three most common diseases are often: $(1)$ Common Cold,$(2)$ Malaria,and $(3)$ Diarrhea.
To reduce the incidence of these diseases,the local authorities should take the following three steps:
$(i)$ Ensure proper sanitation and waste management to prevent the breeding of vectors like mosquitoes and houseflies.
$(ii)$ Provide access to clean and safe drinking water to prevent water-borne diseases like diarrhea and cholera.
$(iii)$ Organize public awareness campaigns regarding personal hygiene,vaccination,and the importance of maintaining clean surroundings.