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What is Bone Cancer?   created at May 03, 2009   1,152   Cancer that starts in the bone (primary bone cancer) is relatively rare, with about 2,500 cases diagnosed in the United States each year. The most common types of bone cancer occur more frequently in children and young adults, while other bone cancer is pr...

Understanding Blackheads: Causes, Treatment, and Prevention   created at May 02, 2009   1,266   Blackheads,a type of acne,occur when dead skin cells and oil clog hair follicles,oxidizing and darkening the trapped sebum (oil).Contributing factors include genetics,hormonal changes,excess oil production (seborrhea),and certain medications.Treatment opti...