Take a cue from these docs and swap the bad for the good when it comes to food?
Doc
A worker bee ant, ant, or other social insect, caring a young brood?
Entomology
A person trained to carrier for the sick?
Nurse
A person qualified to practice medicine, especially one who specializes in diagnosis and medical treatment as distinct from surgery?
Physician
What is a bone doctor slang?
A surgeon or physician
A medical practitioner qualified to practice surgery?
Surgeon