Global, regional and national burden of alopecia areata from 1990 to 2021: a systematic analysis of the global burden of disease study 2021, with predictions to 2040

Key Points

• Alopecia areata continues to show a significant global burden, affecting millions annually with rising cases noted.
• From 1990 to 2021, the prevalence of alopecia areata has increased, highlighting growing healthcare needs and awareness.
• Systematic analysis of the global burden of disease study outlines trends and predicts future disease impact through 2040.
• Understanding these epidemiological trends can inform treatment strategies and allocate resources effectively.