Multimedia Archives

The dangers of excess weight

In this week’s episode: The new study refuting the so-called “obesity paradox,” plus the world gathers to formulate a response to the HIV epidemic, and why light pollution could make spring arrive earlier.

Taking aim at salt

In this week’s podcast: The push to reduce the amount of salt in processed foods, plus new research that could offer a way to prevent Zika virus and a range of other diseases, and why many students don’t have easy access to water in school.

Battling a ‘superbug’

In this week’s podcast: The “superbug” that is igniting new concerns over antibiotic resistance, plus the common chemicals linked to health problems in women, and the global toll of slavery.