Answer:
At a certain point, yes.
Step-by-step explanation:
More specifically, the following symptoms can manifest at a level greater than 40 percent carboxyhemoglobin
- difficulty breathing
- hypotension
- convulsions
- paralysis
- coma
- death
Along with more that are the less severe symptoms like headaches, confusion, blurred vision etc etc. The ones listed are the much more severe symptoms.