Human Health and Diseases

One of the following is transmitted through air. Find out.
Diseases are broadly grouped into infection and no-infectious disease. In the list given below, identify the infectious diseases.
I. Cancer     II. Influenza
III. Allergy     IV. Smallpox
Short-lived immunity acquired from mother to foetus across placenta or through mother's milk to the infant is categorized as
Leukaemia is due to
Physical exercise boosts mental wellness by relieving