What Kind of Doctor Do I Need? Slideshow Dental (Oral) Health Quiz Causes of a Heart Attack Slideshow Parasitic: Having to do with a parasite, as in a parasitic infection; or acting like a parasite by taking nourishment from another. From Healthy Resources When Prostate Cancer SpreadsDo You Take Good Care of Your Eyes?Tips for a Clean Home & Healthy Cat Featured Centers When Prostate Cancer SpreadsEssential Tips to Manage DiabetesWhat Is Cystic Fibrosis? What Causes It? Health Solutions From Our Sponsors Kept Your Wisdom Teeth? Therapy at Home?