اینفلوئنسرها و بیوهکرها به روزه سوگند یاد می کنند. این چیزی است که علم می گوید.

Influencers and biohackers swear by fasting. Here’s what the science says.

Fasting can help some people reduce how many calories they eat — but it’s not “effortless” as some influencers would have you believe.