This is a combination of disruption of cell walls in the leaf lamina (which can happen at as low as 3 to 5 psi), allowing everything that is normally isolated within the cells to be exposed to both air and microbes
BMC public health , 13 , 367
Boffetta P, Agudo A, Ahrens W, Benhamou E, Benhamou S, Darby SC, Ferro G, Fortes C, Gonzalez CA, Jckel KH, Krauss M, Kreienbrock L, Kreuzer M, Mendes A, Merletti F, Nyberg F, Pershagen G, Pohlabeln H, Riboli E, Schmid G, Simonato L, Trdaniel J, Whitley E, Wichmann HE, Winck C, Zambon P, Saracci R ( 1998 ) Multicenter case-control study of exposure to environmental tobacco smoke and lung cancer in Europe
J Immunol 167 : 65186524 Borovikova LV et al
a Native American teenager who said the tobacco industry has infiltrated his communitys sacred ceremonies
You can easily test the battery with the app