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Dr. John D. Cahill Articles & Stories

Expert Commentary: Dr. John D. Cahill, M.D. June 12, 2009

Expert Commentary: Dr. John D. Cahill, M.D. June 12, 2009

With swine flu spreading to a number of countries, most of them developed and with fairly comfortable supplies of antiviral drugs, it might seem that the world is in pretty good shape to suppress a seriously lethal pandemic.  Although these drugs appear effective against this strain, i... Read More

Tai Chi Increases Seniors' Immunity

Tai Chi Increases Seniors' Immunity

A Chinese form of martial art that's also a meditation and exercise discipline shows a remarkable ability to boost immunity in older people, according to recent research. This is on top of studies that have already demonstrated that the martial art, known as tai chi, lowers blood pressure, im... Read More

The Challenges of Overseas Medical Evacuations

The Challenges of Overseas Medical Evacuations

Dr. John Cahill explains that a number of tropical diseases, if left unrecognized or untreated, can have devastating outcomes. Unfortunately, he sees this on a daily basis. There are people who return from their travels with serious viral or parasitic infections. In good hands, it can be very... Read More

The Dangers of Infections During Travel

The Dangers of Infections During Travel

Dr. John Cahill discusses about how traveling abroad has become very easy - it's relatively cheap, readily available, enjoyable, and a click away on the internet. But many people don't seem to realize there are health risks involved when traveling, particularly when traveling to the developin... Read More

The Challenge of Emerging Infectious Diseases

The Challenge of Emerging Infectious Diseases

Dr. John Cahill discusses some of the challenges we face with infectious diseases that are constantly emerging and changing. SARS is an example of a virus that until several years ago, we had never heard about. So the possibility of new viruses emerging is a very real threat. Another challeng... Read More

The Concept of Herd Immunization

The Concept of Herd Immunization

Dr. John Cahill explains that though Infectious Disease specialists would like to vaccinate everyone, getting a large amount of people vaccinated can provide a barrier for most of the group. If enough of a population gets vaccinated then the potential for disease to travel across the globe, o... Read More

How Real is the Threat of Pandemic?

How Real is the Threat of Pandemic?

Dr. John Cahill explains that our world is becoming increasingly small and easy access air travel and global urbanization has created the possibility for the very real threat of pandemic. The internet has made international travel quick and easy and soon a majority of the global population wi... Read More

The Historical Burden of Infectious Disease

The Historical Burden of Infectious Disease

Dr. John Cahill defines Infectious Disease as a specialty of medicine that deals with micro organisms from bacteria, viruses, fungi, or parasites that infect different organs in a human being. Historically, infectious diseases have had an impact on the whole global population. Outbreaks, epid... Read More


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