Editar data em atestado médico

Edit this medical certificate document. Change the date to 09-10-2026. Change the age to 24 years and 1 day. In the diagnosis section, add 'Mechanical lower back pain'. Change the from date to 09-10-2026 and the to date to 09-10-2026. Keep the exact same font style throughout the document — do not change any other text or layout.