The department of health and director of health shall enforce the provisions of all general laws and public laws relating to the sanitary inspection of swimming pools, bathing beaches, camp grounds, barber shops, hairdressing parlors, and any other premises and properties the inspection of which may be conferred upon the department of health. The sanitary inspection of barber shops shall be made by registered barbers and the director of health shall employ at least one registered barber for this purpose who shall enforce rules and regulations as prescribed under chapter 10 of Title 5. The department and director shall enforce the provisions of chapter 27 of Title 21 insofar as they relate to the inspection of bakeries and other establishments and shall perform the functions relating to child hygiene, food and drugs, the purification of waters, slaughterhouses, and narcotic drugs and pharmacies.