Individual #geriatrics__gerontology  the branch of medical science that deals with diseases and problems specific to old people
  >part of:  #medical_specialty__medicalspecialty__medicine  the branches of medical science that deal with nonsurgical techniques
     >part of:  #medical_science  the science of dealing with the maintenance of health and the prevention and treatment of disease

No statement uses or specializes #geriatrics; click here to add one.