un anuncio advertisement for a health-related product, such as a gym, health food or medication.
cocina saludable/receta preparing a healthy dish, describing the ingredients as you are cooking, discussing the benefits of eating it
charla con el doctor a doctor gives advice to callers with health questions (easy place to use some subjunctive!)
una entrevista con un atleta famoso self explanatory
un aviso sobre una nueva epidemia newsbreak about a terrible epidemic - warning listeners (describe the situation, instructions of what they should do)
una nueva moda en el ejercicio it could be a new dance, sport, piece of exercise equipment - present a report about it
entrevistas con gente en la calle talk to average people on the street about a selected health-related topic, either asking for their opinions or ask for their experiences