The malfunction of lymphatic drainage that occurs in lymphedema leads to excessive cholesterol accumulation in the affected skin and lymphatic vessels, causing inflammation and fibrosis. However, surgery and the chemical reduction of accumulated cholesterol with cyclodextrin reduce inflammation and regenerate lymphatic vessels. Cholesterol is a potential therapeutic target for treating lymphedema, according to this study published on Feb. 11, 2026, in Nature by Veronique Angeli and her colleagues.