fad syndrome
A disease you think you have because you saw someone else have it and now you're too dumb to know the difference between a real disease and a fake one.
She watched a video about 'crystal healing' and now she thinks she has 'energy imbalance' disease.
He thinks he has 'intermittent fasting' and now he only eats at 3 AM.
My mom took a 'detox' and now she thinks she's going to die if she doesn't drink green juice every day.