According to a recent report from the World Health Organization, eating more dietary fiber and whole grains protects against many serious chronic diseases such as heart disease, strokes, type 2 diabetes, and colorectal cancer.
This was based on a review of nearly 200 studies done over 40 years.
But for many you, according to your fitness trainer or your buddy who reads a lot of posts on YouTube and Instagram, the best diet means very low carbs, high protein.
Up to you to decide whom to trust more.