Thickened and discolored toenails can be caused by a variety of issues, from ill-fitting shoes or trauma from stubbing your toe, to aging and psoriasis (a chronic skin condition). Often, though, ...

Fungal nail infections are a widespread condition, influenced by factors like moisture, age, immune status and nail trauma. Simple lifestyle changes can greatly reduce the risk.

Craig Gwynne does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...