Does a lectin-free diet improve your health in any way?

Foods that contain high amounts of lectins include legumes, such as beans, lentils, peas and peanuts, as well as tomatoes, potatoes, eggplant, certain fruits, wheat and other grains. — TNS

Lectins are naturally-occurring proteins that are found in all foods, but they are most concentrated in certain plants.

Lectins serve a protective function for plants as they grow.