They are the major cause of such illness in children.

It is a major cause of illness throughout the world.

At present cancer is the second biggest cause of death and illness in Europe.

Breast cancer, the disease women fear most, is a far less common cause of illness and death.

This can help identify the cause of illness or infection.

This condition is a significant cause of illness and death among Navajo children.

This unusual habit was to be the cause of his illness.

When he recovered, Kirk tried to learn more about the cause of his illness.

The truth about the causes of medical illness is often hard to find, and much harder to prove.

Asthma is the leading cause of chronic illness in children.