Eliminate stubborn nail fungus at home As we age, our nails become brittle and prone to damage, making it easier for fungus to settle beneath the nail surface. Fungus spreads in many ways, such as through swimming pools, gyms, and nail salons, but also by wearing dirty socks and shoes or having poor foot hygiene . When an infection occurs, the fungus develops in the nail bed and damages the nail , causing discoloration, thickening, and deformation, often with an unpleasant odor and pain. discol…