The tick-borne illness Lyme disease is the sixth most-common illness nationwide, according to report by the U.S. Centers for Disease Control and Prevention. In 2011, it sickened 33,000, CDC data says, but most experts believe the real rate of Lyme disease infection is five to ten times higher. Incidence of the disease is growing rapidly, as in the war over how to treat it, according to an exhaustive feature recently published in The New Yorker by Michael Specter. (Click here...

When an outbreak of an infectious disease occurs – thinks SARS or the new MERS virus – human carriers who show no outward signs of the disease spread the infection. Click through to find out which other diseases can be silent, asymptomatic killers. Three students at Robert E. Lee High School in Springfield, Va. have been diagnosed with tuberculosis, a disease that infects nearly 9 million people worldwide each year, killing almost 1.5 million, according to the World Health Organization....

From the opening day of baseball season through the last Labor Day barbecue, American summer gatherings and sporting events are all about the hot dog. Last year, we shelled out $1.7 billion on hot dogs in just supermarkets. More than 20 million hot dogs are expected to be consumed in Major League Baseball parks alone this year, according to the National Hot Dog and Sausage Council. As far as summertime foods go, hot dogs aren't that bad for your health,...