- Ridiculous fad diets continue to abound – and continue to astound This Resident. Eat well, sleep well, drink a lot of water, and exercise. That’s it, people. Every damn day, do this, and you will be fit, you will be healthy, and you will be smarter. No, really. Do this, then have a conversation with a person on a cleanse, or doing another fad diet, and see who’s smarter. See? I told you.