Which condition may lead to the development of ridges on the nails?

The development of ridges on the nails can indeed be linked to poor nutrition. Nails require a variety of nutrients, including proteins, vitamins, and minerals, to grow strong and healthy. Deficiencies in these essential nutrients can disrupt the normal growth patterns of the nails, leading to irregularities such as ridges. For example, a lack of biotin, protein, or zinc can result in changes to the nail structure. Thus, when nutritional intake is inadequate, nails may reflect these deficiencies through the formation of ridges as they grow. In contrast, excess moisture exposure typically affects the health of the surrounding skin or leads to other issues rather than ridges. High-quality nail products generally improve nail health, and regular manicures help maintain nail care rather than causing ridges.