Now those links got my attention. I don't think that I have ever had a reason to use the nitrous gas, never.
But I sure as thunder have some of the symptoms.
I no longer drive, as I pass out. I ever so often wake up and am too dizzy to walk, for a matter of hours.
Doc says age and blood pressure.
Hydrogen peroxide: 1 ppm TWA; 1.4 mg/m3 TWA
Personal Protective Equipment
Eyes:
Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Now Granny I'm certain this pertains to large quantities, but the caution of preventing skin exposure indicates it is not harmless in quantity. Too bad we can't have MSDS forms for the unpronounceable ingredients in our food.