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  1. Hair loss - Symptoms and causes - Mayo Clinic

    Jan 19, 2024 · Hair loss (alopecia) can affect just your scalp or your entire body, and it can be temporary or permanent. It can be the result of heredity, hormonal changes, medical conditions or a normal part …

  2. Alopecia Types, Causes, Symptoms, and Treatment - Healthline

    May 11, 2022 · Alopecia is an umbrella term for conditions characterized by hair loss. It is not contagious, though sometimes it can be a sign of other health problems.

  3. Alopecia areata - Wikipedia

    Alopecia areata (AA), also known as spot baldness, is a condition in which hair is lost from some or all areas of the body. [12][1] It often results in a few bald spots on the scalp, each about the size of a …

  4. Alopecia: What It Is, Causes, Signs, and Treatment | Osmosis

    Jan 6, 2025 · What is alopecia? Alopecia (also known as alopecia areata) is a chronic, immune-mediated skin disease characterized by sudden loss of hair on the scalp, beard, and sometimes …

  5. Alopecia Areata: Symptoms, Causes, Treatment & Regrowth

    Aug 30, 2023 · Alopecia areata is an autoimmune disease that attacks your body’s hair follicles, causing patchy hair loss. Medications and therapies can help your hair regrow, though severe cases may not …

  6. Baldness (Alopecia) - Johns Hopkins Medicine

    It’s also called alopecia. Baldness is usually most noticeable on the scalp, but it can happen anywhere on the body where hair grows. What causes baldness? Hair loss can occur for many reasons. Some …

  7. Hair Loss (Alopecia) – Symptoms and Causes | Penn Medicine

    Alopecia is the medical term for hair loss. It can affect the scalp, eyebrows, eyelashes, and other areas of the body, leading to patchy, partial, or complete hair loss. Hair follicles, tiny tube-like structures in …

  8. Types of Alopecia: What Each Are and How They Differ

    Apr 28, 2025 · Alopecia is a medical term that characterizes conditions that lead to temporary or permanent hair loss on the body where hair typically grows.

  9. Alopecia (hair loss) - NHS inform

    Aug 7, 2025 · Information on alopecia (hair loss), including causes, types and treatments for alopecia.

  10. Hair loss types: Alopecia areata overview - American Academy of …

    Alopecia areata is a disease that causes hair loss, which often occurs on the scalp but can occur anywhere.