from ill-fitting shoes or trauma from stubbing your toe, to aging and psoriasis (a chronic skin condition). Often, though, they're caused by a fungal infection. These infections most often affect ...

Psoriasis is one of a few skin ... autoimmune skin condition), psoriatic arthritis (a chronic inflammatory condition), and cancer. A curled toenail can be contagious, depending on its cause.

Thick toenails can also become chronic, especially if left untreated ... Injuries and a wide range of conditions like psoriasis and diabetes can result in onychauxis, also known as onychogryphosis.

Casey Gallagher, MD, a board-certified dermatologist and clinical professor, discusses how patients manage psoriasis and some exciting treatments on the horizon.

Fungal nail infections may seem embarrassing, but they’re actually very common. They affect around 10 per cent of people ...