Noelia Rivera (left), a 27-year-old nurse, provides medical help in seven rural communities where many elderly people live. Pablo Méndez (right), an associate professor of environmental health at the University of Puerto Rico, gives guidance for Center of Mutual Support in Las Carolinas.

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Noelia Rivera (left), a 27-year-old nurse, provides medical help in seven rural communities where many elderly people live. Pablo Méndez (right), an associate professor of environmental health at the University of Puerto Rico, gives guidance for Center of Mutual Support in Las Carolinas