여드름은 피부 아래에 있는 모공이 막힐 때 생기는 흔한 피부 질환입니다. 유분과 각질이 모공을 막으면서, 병변(흔히 여드름이라고 함)이 생길 수 있습니다. 가장 흔히, 얼굴에 생기지만, 등이나 가슴, 어깨에도 나타날 수 있습니다. 사람들의 경우, 여드름은 30대가 되는 시기가 되면 사라지는 경향이 있습니다. 그러나, 40대와 50대에서 일부 사람들에게는 이러한 피부 문제가 계속됩니다.
What is alopecia areata? Alopecia areata is a disease that causes hair loss. In alopecia areata, the immune system attacks the structures in skin that form hair (hair follicles). Alopecia areata usually affects the head and face, though hair can be lost from any part of the body. Hair typically falls out in small, round patches about the size of a quarter. In some cases, hair loss is more extensive.
What is Paget’s disease? Paget’s disease of bone is a chronic (long-lasting) disorder that causes bones to grow larger and become weaker than normal. Usually only one or a few bones have the disease. Many people with Paget’s disease do not have symptoms. However, the bone changes can cause: Bone pain. Misshapen bones. Broken bones (fractures). Problems in the joints near the bones with the disease. With treatment, many people can: Manage their symptoms. Improve pain. Control the effects of the disease.
What is rosacea? Rosacea (ro-ZAY-she-ah) is a long-term skin condition that causes reddened skin and a rash, usually on the nose and cheeks. It may also cause eye problems.
What is ichthyosis? Ichthyosis is a group of skin disorders. It leads to dry, itchy skin that appears scaly, rough, and red. The symptoms can range from mild to severe. Ichthyosis can affect only the skin, but sometimes the disease can affect internal organs, too.