The 5 Factor Diet is a diet and fitness program based on the number five. It’s amassed quite a fan base over the years. Plus, it’s reportedly been endorsed by a slew of celebrities, including Kim Kardashian, Rihanna, and Katy Perry, among others. Proponents of the program enjoy it for its simplicity, flexibility, and effectiveness. Meanwhile, critics note that it eliminates several healthy food groups and may not be a good fit for everyone. This article takes an in-depth look […]