Hi Folks:
I have a few small questions regarding brain health.
1) Since the brain does not have pain sensory neurons, in
order to feel an ordinary headache (not a stroke), a lot of cerebral
neurons have to die first, i.e., enough damages must have been done to
the brain first before you can feel a headache; otherwise, the brain
can not receive enough inputs to generate a feeling of pain; am I
right?
2) Lipid soluble substances can pass through the blood-brain
barrier rather easily; thus, if you work in a lab and you can
periodically smell vapors of substances with low polarity, those
substances will pass through the blood-brain barrier and will cause
significant number of neurons to die; as a consequence, you may become
less intelligent, and you may forget things that you have learned.
Anyway, how difficult is it for a substance like toluene to kill a
neuron? and what kind of substance is the most detrimental to the
neurons?
Any suggestions are greatly appreciated.
--
struggle
