[{"type":"paragraph","text":"Hair thinning affects millions of people worldwide."},{"type":"heading","text":"Understanding Hair Loss"},{"type":"paragraph","text":"The most common causes include genetics, stress, hormonal changes, and nutritional deficiencies."},{"type":"heading","text":"Effective Treatments"},{"type":"paragraph","text":"Scalp serums with peptides and biotin can significantly improve hair density over 3-6 months."}]