Abstract: The present disclosure provides for treating pulmonary hypertension by administering to a subject suffering from pulmonary hypertension a therapeutically effective amount of a non-oral therapeutic agent for treating pulmonary hypertension followed by an orally administered form of a therapeutic agent for treating pulmonary hypertension, wherein the amount of non-oral therapeutic agent is sufficient to allow for an increased amount of the orally administered therapeutic agent to thereafter be administered compared to a subject who is not previously treated with the non-oral therapeutic agent.

Abstract: Headgear comprising at least an earbud and a strap suitable for attachment to a device, which device transports at least one of a gas, a liquid, and a solid suspended in a liquid to and/or away from the wearer.