A peak flow meter is a handheld device that measures airflow rate and can help those with respiratory conditions like asthma ...

Asthma inhalers are critical for delivering small amounts of medication to people's lungs to improve breathing and help ...

Here is a detailed guide on how to use an inhaler and instructions for getting the most out of your medication.

"They are these tiny little products, and it's hard to imagine that they can be such contributors, but it's an eminently fixable problem," a study co-author said.

This is because the inhalers use pressurised canisters containing hydrofluoroalkane (HFA) propellants — potent greenhouse gases — to deliver medication.

Does an air purifier help with allergies? Learn more about air purifiers, how they work, and if they are effective.

That small whoosh from an inhaler has a substantial environmental toll that could be putting some people with chronic ...

AstraZeneca Plc said on Thursday its asthma treatment for a chronic inflammatory disease of the nasal passage linings, or sinuses, met main goals in a late-stage study.