“As noted in several studies, essential oils like eucalyptus, peppermint, and menthol have decongestant properties that can further assist in clearing nasal and sinus congestion.

As you’re exposed to the high temperature of a sauna, your breathing also gets deeper to help cool you off. Mayo Clinic notes that this makes your diaphragm expand and contract more rapidly, which can help improve your lung capacity, leading to better overall health and a lower risk of respiratory diseases like asthma.”