Dark knuckles can indicate a metabolic condition, medication side effect, or other condition. Dark patches of skin can occur due to hyperpigmentation, which happens when the skin produces more melanin ...

You can develop hyperpigmentation on your legs due to sun exposure, diabetes, and other health conditions. In some cases, irregular dark spots may be melanoma. Treatment can depend on the cause. If ...

Crooked toes are a common condition you may be born with or acquire over time. There are different types of crooked toes, and several potential causes for this condition. If you or your child has one ...