I did look at your reference Summerlove. It did say some information may be out of date?
Rather then dwelling on the word 'poisoning' which I didn't myself use, it states what overexposure to CO2 can cause in the Fact Sheet further down.
MOST CENSORED VIDEO EVER!! I tested several masks on my 11 year old son using a CO2 monitor and Its been deleted every time I post it. If you want to SEE THE VIDEO THEY DONT WANT YOU TO SEE, I’ve posted it here
twitter.com/…/128155734129337… »
'The HighWire' host Del Bigtree and son, Ever, conducted a test, using an OSHA-approved Carbon-Dioxide meter, which revealed something about masks which YouTube, Facebook, and other video platforms are trying very hard to censor.
CARBON DIOXIDE EXPOSURE EFFECTS – FACT SHEET
Symptoms of overexposure by inhalation include dizziness, headache, nausea, rapid breathing, shortness of
breath, deeper breathing, increased heart rate (tachycardia), eye and extremity twitching, cardiac
arrhythmia, memory disturbances, lack of concentration, visual and hearing disturbances (including
photophobia, blurred vision, transient blindness, hearing loss and ringing in the ears), sweating, restlessness,
vomiting, shaking, confusion, flushed skin, panic, parathesis (a sensation of numbness in the extremities),
disorientation, convulsions, unconsciousness, coma, and death.