3 Q. Does Smoking Cause Cancer?

Lung cancer is the number one cause of cancer death among Indian women Women’s death rates due to lung cancer have risen 600% since 1950 About 90% of all lung …

2 Q. Are all tumors cancerous?

A ) No. Some tumors are benign (noncancerous) and do not spread to other parts of the body. Cancerous tumors are called malignant.