Spices and herbs have always been said to have medicinal properties. A good example of this: the spice turmeric, which has become a trend spice, especially among health-conscious city dwellers. It is said to prevent cancer, strengthen the immune system, relieve joint pain and lower high cholesterol levels. Google searches for the word “turmeric” have quintupled since 2014 – on Instagram alone there are 176,000 posts with the hashtag “

Andreas Michalsen is chief physician in the naturopathy department at the Immanuel Hospital in Berlin and professor for clinical naturopathy at the Berlin Charité. “Turmeric is an extremely interesting spice that even has clinical studies…