The Earth's atmosphere has strengthened its ability to remove air pollutants, including the potent climate-warming gas ...

Alarmed by the color and frequency of the blood in her stool, Mahon was referred to a GI doctor who initially thought she had an autoimmune disease. “Once I got the colonoscopy, she told me that she ...

Patients with colon cancer who still have cancer cells in their blood after surgery may improve their survival odds with ...

An accurate new blood test for colon cancer, the fourth leading cause of cancer deaths in the US, has been reported.