Online resources are shaping the way consumers choose health products and services, a new study shows.  Three-quarters of Americans (73 percent) use online health information and tools, and more than half of those online consumers say that their research has influenced their choice of health care providers, treatments and services, according to a new study from health care market research and advisory firm Manhattan Research.  Primary care physician and prescription drug decisions in particular are influenced by online resources, with one in five online consumers saying online resources affected these choices, respectively.  Some patients are particularly more influenced by online decisions, the research finds, including patients with angina, ADD/ADHD, Crohn’s Disease, fibromyalgia, HIV/AIDS, and Rheumatoid Arthritis. For the full article click here.