1. Ernährungswissenschaftler   orthodontist   nephrologist   dietician   gerontologist   Hint Half-n-half Clue   2. Psychiater   chiropractor   physiotherapist   oncologist   psychiatrist   Half-n-half Clue   3. Fußpfleger   chiropodist   gerontologist   neurologist   cardiologist   Half-n-half Clue   4. Radiologe   radiologist   physiotherapist   oncologist   orthodontist   Half-n-half Clue   5. Onkologe   physiotherapist   surgeon   dermatologist   oncologist   Half-n-half Clue   6. Heilgymnastiker   dietician   oncologist   physician   physiotherapist   Half-n-half Clue   7. Gerontologe   cardiologist   gerontologist   psychiatrist   orthopedist, orthopaedist   Half-n-half Clue