The following medicines may help open your airway and reduce swelling in your lungs: Bronchodilators help expand your airway for easier breathing. Some of these medicines may help prevent future spasms.
deduction noun (THINKING) C2 [ C or U ] the process of reaching a decision or answer by thinking about the known facts, or the decision that is reached: Through a process of deduction, the detectives discovered the identity of the killer. All we can do is make deductions from the available facts.
Deduction means subtraction i.e. an amount that is eligible to reduce taxable income. Exemption means exclusion, i.e. if certain income is exempt from tax then it will not contribute to the total income of a person. The deduction is a concession, but Exemption is relaxation.