They might share many of the same symptoms, but the cold and the flu really are two very different things, starting with what causes them. Trace explains what you can and can't do when either of them comes calling your name.
Feces-contaminated water causes illness and death for nearly 1 million children under the age of 5 ever year, according to the United Nations. And 14% of the global population has to defecate in the open. Trace explains why toilets matter so much.
You’ve heard about the killer virus in the news, but here are some things about it you may not know.
How exactly does the Ebola virus take human lives, as it has done to horrific effect in West African nations? Trace takes a look inside the human body to find out what happens to it when Ebola arrives.
Since mankind thoroughly eradicated polio, there hasn't been a single human-infecting disease that's been fully removed from the global population. Tara explains how this can be, when we've otherwise advanced so much with our medical treatments.
Trace takes us on a stomach-churning roundup of the world of foodborne illnesses.
Laci Green examines some of history's most horrifying and death-dealing illnesses, the kind that lay waste to entire populations.
The illness is potentially deadly for the individuals, who have never been exposed to it before.
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