Kaalheid

Kaalheid is a Dutch term referring to baldness or hair loss, the condition of having little to no hair on the scalp. The word derives from kaal meaning bald and the suffix -heid indicating a state or quality.

In medical terms, baldness is usually described as alopecia. The most common form is androgenetic alopecia, driven by genetic and hormonal factors. Other causes include alopecia areata, scarring alopecias, infections, chemotherapy, thyroid disorders, nutritional deficiencies, medications, aging, and psychological stress.

Symptoms include progressive thinning of scalp hair, especially at the crown and temples; the pattern differs by sex. Diagnosis is made by clinical examination; dermoscopy can help distinguish types. Blood tests may be used to identify underlying conditions.

Treatment focuses on hair preservation and cosmetic options. For androgenetic alopecia, approved treatments include topical minoxidil and oral finasteride (primarily in men). In some cases, hair transplantation or low-level laser therapy may be considered. Women may have different responses and dosages; non-pharmacologic options include wigs and scalp micropigmentation.

Epidemiology and social aspects: kaalheid is common with aging and varies by sex; it affects self-image and social perception in many cultures. The condition is generally not dangerous, though it can be related to underlying health issues in some cases.