How can malaria be prevented?

How can pneumonia be prevented?

What is causative germ of Dermatophytosis? Add a note on its mode of transmission and 'Diagnosis and Treatment'. How can it be prevented?

How can Ringworm be prevented?

How can HIV be prevented?

How can addictions be prevented?

What is Marasmus? What are the causes and symptoms of marasmus? How it can be prevented?

How can corrosion of metals be prevented?

How can the sag in a beam be prevented?

How can a vector be represented?

How common cold can be prevented?