Did you know that tobacco will kill 6 million people around the world this year? And by 2030, that number will be 8 million. The World Health Organization (WHO) is leading the fight against this epidemic.

Past studies have shown that women smokers have a higher risk of cervical cancer. Now, new research shows that second-hand smoke may damage cells in a woman's cervix, increasing her risk of cervical cancer.

Though a direct link has never been established between tuberculosis (TB) and lung cancer, researchers have established some compelling evidence suggesting a correlation.