Are you focused on all the wrong things? Learn to deal with the most important aspects of your life before focusing on the minute details.

This is the site of Nicholas A. Christakis, MD, PhD, MPH, who is an internist and social scientist who conducts research on social factors that affect health, health care, and longevity. He is a Professor at Harvard and an Attending Physician at Mt. Auburn Hospital in Cambridge, Massachusetts. Here you will find information related to his work on health and social networks, the health benefits of marriage and the consequences of spousal illness and widowhood, the effects of neighborhoods on people's health, the biodemographic determinants of longevity, and the genetic bases for human behaviors.

Disclaimer I have been intrigued by autism for at least two decades. I have watched as theories for causes of autism come and go -- like the Pertussin in the DPT shot and mercury in fish and infant shots. In parallel, I have been dismayed by the degree to which the American public has bought into the now widespread practices of over-aggressive protection from the sun and over-diligence in avoiding fats in the diet. I have long believed that these misguided practices are the direct cause of a host of health issues now facing America's children, including childhood obesity, ADHD, multiple allergic reactions, and teenage adult-onset diabetes. It was only recently that I began to assemble enough facts about autism to begin to believe that I had a compelling story to tell. This essay is my attempt to put that story out on the Web, in the hopes that experts and statisticians will take action to prove or disprove this theory. However, I am not an expert on this topic, and my research at MIT i

Patricia Anderson is a librarian at University of Michigan who has posted several of her presentations on Web 2.0 and "eHealth" online. This one mentions a few Web 2.0 resources in dentistry and this makes it one of the few presentations on the subject.

John Aguilar's practice

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