A Health Canada exemption that allows pharmacists wider authority to extend and renew prescriptions has made a marked improvement to Nova Scotia’s health-care system, says the CEO of the Nova Scotia College of Pharmacists.Beverley Zwicker says the ability for pharmacists to prescribe a broader range of drugs has taken some of the health-care burden from doctors and nurse practitioners.The exemption to the Controlled Drugs and Substances Act, which extends until 2026, came into effect during the