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It works mucus free! Used this today for the first time. Easy to learn the method. Both times sputum was released from my airway and breathing better. I just bought 2 more for friends. A very sleek and simple design. Sturdy and easy to use and clean. I have noticed results quickly.

What is the best Treatment for Asthma
While there is no cure as of current, Asthma is one of the lung conditions that can be managed effectively across the lifetime. Avoiding exposure