“In science we trust” is written on a wall behind Polen Koçak-Denizci’s office in Istanbul. It’s a fitting motto for the co-founder of a biohacking company that uses plant-based biomimetic exosome ...

It’s a familiar story: the fever rises, your throat hurts, and suddenly even your favourite food looks unappetizing. You know your body needs fuel to fight the infection, yet you can barely think ...