The Centers for Disease Control and Prevention recommends that sexually active women up to the age of 25 should be screened every six months for chlamydia. CDC data indicate the illness is four times more common in young women. They are also infected more quickly than women over 25 years old.

Research conducted at Justus-Liebig-University, Giessen, Germany suggests that patients with recent-onset type 1 diabetes and their first-degree relatives should be routinely screened for autoimmune thyroid disease because type 1 diabetes is genetically linked with other endocrine autoimmune disorders and celiac disease. Source: Diabetes Care January 2001;24:27-32

Scientists at City of Hope Hospital, Los Angeles, are developing a prostate cancer test that relies on telomerase--an enzyme that helps cancer cells become immortal. Their research indicates testing cells for telomerase appeared to help determine if the cells are cancerous.