When you're scrolling through social media, how can you tell what's real?

There's a lot of good on there, and there's a lot that makes us feel weird.

And of course, there's misinformation, which can be dangerous, especially when it's health-related.

Anything can be posted without being fact-checked, and you probably know how I feel about diets and weight loss, but as someone who's quite

malleable to the opinions of other people, I can see a time in my life that if someone said

they had the secret to permanent weight loss, I would have clicked follow.

Tanya Zuckerbra, founder of the trendy high fiber Factor diet, has celebrity followers including Olivia Culpo and Tanya Zuckerbra, founder of the trendy high fiber F-factor diet, has celebrity followers, including Olivia Culpo, and Tanya herself has a nice house, a nice husband, nice vacations, a very aspirational lifestyle altogether.

But allegations of the troubling side effects with the diet began to surface and people started to question,

is she selling powder or power? Emily Giles, a popular fashion influencer, saw these allegations

and shared this with her own large social following, and she launched a crusade to expose

Tanya and the F-Factor diet.

Emily thought bringing awareness to the claims would be enough, but that was just the beginning.

What was once an online feud escalated into the real world, resulting in threats, lawsuits,

and a whole lot of drama.

You're about to hear a preview of FedUp,

listen to Fed Up on Apple Podcasts, Amazon Music, Spotify,

and you can even listen early and add free

by joining Wondery Plus in the Wondery app.

Ah, summer in Manhattan. There is nothing quite like it.

And on this August day in 2018, it's the usual 1,400 degrees and the rats are living

their best lives.

The sidewalk outside Chipriani downtown is packed with people having a good time,

...