
38-year-old homeless tour guide Karim stands at the Prague’s main railway station during his tour in Prague November 20, 2012. Karim works for a student-run tour agency Pragulic as a tour guide that shows tourists the sides of Prague that sightseers would normally avoid. Picture taken November 20, 2012. To match CZECH-HOMELESS/TOUR REUTERS/Petr Josek (CZECH REPUBLIC - Tags: SOCIETY POVERTY TRAVEL) Petr Josek Snr/Reuters
Health
Podcast: Is Gwyneth Paltrow’s new cookbook all good?
Julia Belluz discusses the dangers of celebrity health promoters and the science behind why we listen
Julia Belluz wrote about Gwyneth Paltrow’s new cookbook, It’s All Good Here, where she examined the medical risks of elimination diets. Here, Belluz discusses the differences between food allergies and food sensitivities and the science—from brain imaging to psychology—that explains why we buy into celebrity health advice.