Why are your fingernails deteriorating?

Deteriorating fingernails can result from various factors, including nutritional deficiencies, such as a lack of vitamins and minerals, dehydration, or exposure to harsh chemicals. Conditions like fungal infections, psoriasis, or other underlying health issues can also contribute to nail deterioration. Additionally, frequent nail biting or improper nail care may lead to weakened and damaged nails. It's advisable to consult a healthcare professional for a proper diagnosis and treatment options.