By Marija Stojkoska & Zahra Khaliq A woman who has just celebrated her 112th birthday says the secret to a long life is not worrying and staying happy. Meire da Silva, known affectionately as Dona Dodo, was thrown a surprise party at her retirement home in Lar dos Velhinhos de Maringa, Brazil, on February 10. Dona Dodo has lived in the retirement home for 27 years, where she’s been a big help to other elderly folks living there, contributing to the home’s general services. Irene Malamim, an employee at the home, told local media: “Dodo is a reference in the house. I mean everyone likes her, sh…