Often overlooked, this is one area where taxpayers should be careful to keep receipts. Even if you have not kept all receipts, call the doctor /dentist/pharmacy/podiatrist/massage therapist/psychologist/optometrist (you get the idea) and request a receipt for the year. And don’t forget to tell us about any health insurance premiums you pay for outside of OHIP. If you have health benefits from your employer, find out if you are paying any of the cost by way of payroll deduction. These premiums too can be included as allowable expenses.