Her brave boy. Jana Kramer’s 4-year-old son Jace is recovering after undergoing surgery to have a nevus sebaceous birthmark removed. The One Tree Hill alum, 39, shared a photo of her son’s head before ...

Sebaceous hyperplasia is a harmless skin condition involving the overgrowth or enlargement of the sebaceous glands. Sebaceous glands are attached to hair follicles all over your body. They release ...

Sebaceous filaments are structures that allow sebum to flow to the surface of the skin. Tiny glands beneath the skin create sebum, which is an oily substance that helps lubricate the skin. When the ...