Health Freedom and Flexibility Act This bill revises provisions relating to health savings accounts (HSAs), including to eliminate the requirement that a participant in an HSA be enrolled in a high deductible health plan; repeal certain limitations on deductions for contributions to HSAs; repeal rules relating to eligible individuals who participate in HSAs; repeal the limitation on use of HSAs to purchase health insurance; include certain medical items as medical expenses for HSA purposes, including menstrual care products, over-the-counter medicines, and medically necessary items; include as HSA-eligible medical expenses, direct primary care, exercise equipment, and dental care items; and prohibit the use of HSAs to pay for abortions or for insurance that includes coverage for abortions.