Requests the Special Rapporteur on the right of everyone to the enjoyment of the highest attainable standard of physical and mental health, with the assistance of the Office of the United Nations High Commissioner for Human Rights, in consultation with States, relevant United Nations agencies, national human rights institutions and other relevant stakeholders, to prepare, within existing resources, a thematic study on the realization of the right to health of older persons, including the main existing challenges and best practices;