How common cold can be prevented?

How can HIV be prevented?

How can addictions be prevented?

How can pneumonia be prevented?

How can corrosion of metals be prevented?

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

What can be achieved/can be prevented? Avoiding smoking and alcoholism.

What can be achieved/can be prevented? Drinking boiled and filtered water.

What can be achieved/can be prevented? Regular balanced diet and exercise.