RGCRegencell Bioscience Holdings Limited

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According to the Centers for Disease Control and Prevention (“CDC”), ADHD is one of the most common neurodevelopmental disorders of childhood. It is usually first diagnosed in childhood and often lasts into adulthood. Children with ADHD may have trouble paying attention, controlling impulsive behaviors, or being overly active. Normal symptoms of ADHD include: having short attention span, easily distracted, constantly fidgeting, excessive physical movement and little or no sense of danger.

In the company’s own words · 20-F filed Oct 31, 2025 · SEC EDGAR