Federal University Of Bahia

This study tests if a safe, non-invasive nerve stimulation on the ear can lower pain and the need for strong painkillers after abdominal or urologic surgery. 174 adults will receive either real stimulation at different frequencies or a sham (fake) treatment before and after surge…

This study tests an online program called Parapais em Ação for low-income parents of children aged 3 to 6 in Brazil. The program includes videos, quizzes, and activities to improve parents' well-being and mental health. Researchers will compare parents who take the program with t…