Sickle Cell Trait Is a Risk Factor for Another Form of Altitude Illness

Millet, Grégoire P, and Philippe Connes. Sickle cell trait is a risk factor for another form of altitude illness. <i>High Alt Med Biol.</i> 27:57-59, 2026.-Acute mountain sickness, high-altitude pulmonary edema, and high-altitude cerebral edema have been widely investigated. In this letter, we claim that beyond these three altitude illnesses, one cannot rule out an additional serious concern related to altitude exposure in a particular population; the individuals with sickle cell trait.