These fungi infect plants, animals and even other fungi. Athlete's foot and ringworm are two fungal diseases in humans. The mycorrhizal fungi live as partners with plants. They provide mineral nutrients to the plant in exchange for carbohydrates or other chemicals fungi cannot manufacture. You probably use fungal products every day without being aware of it.
People eat mushrooms of all shapes, sizes and colors.
Yeasts are used in making bread, wine, beer and solvents. Drugs made from fungi cure diseases and stop the rejection of transplanted hearts and other organs. Fungi are also grown in large vats to produce flavorings for cooking, vitamins and enzymes for removing stains. Kendrick, B. 1992. The Fifth Kingdom.