What is the drug administration method with the highest risk of causing throat and lung cancer

Inhalation

Explanation:

Inhalation medications can cause throat and lung cancer. This is because these drugs, when applied through the throat, can cause side effects and cause cell overgrowth, and after inhalation, these drugs move into the bronchi and then reach the patient's alveoli, being diffused to pulmonary capillaries and may also cause adverse side effects on the lungs.

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