The best preventive measure is probably daily nasal irrigation with saline, to remove irritants and allergens from the nasopharynx, the back of the nose where the Eustachian tube opening is, he says
It is not for non-smokers, ex-smokers, pregnant individuals, or under-18s
Nazarzadeh M, Bidel Z, Ayubi E, Bahrami A, Jafari F, Mohammadpoorasl A, Delpisheh A, Taremian F (2013) Smoking status in Iranian male adolescents: a cross-sectional study and a meta-analysis
January 18, 2010
Battery: 500mAh (Rechargeable via USB-C)
10 Turning Point: Renaissance de Persistence Two years before the Andersons published the first of their commentaries, an article titled The Resources of Binocular Perception by John Ross (professor of psychology at the University of Western Australia) appeared in the March 1976 issue of Scientific American