Dissecting the difference between positive and negative brain health sentiment using X data. - Piotr Religa; Michel Edwar Mickael; Marzena Lazarczyk; Norwin Kubick; Ibrahim F. Rehan; Jaroslaw Olav Horbanczuk; Asmaa Elnagar; Mariusz Sacharczuk; Atanas G. Atanasov (Frontiers Digit. Health, 2025)