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Comment by visakhcr | Hacker News Reader

anyone think there is some fact in this??

I've been working on a pre-2008 Mac Pro for a year now. I have noticed that I often have headaches, and this is not a regular occurrence for me.

Of course it has not rained in Johannesburg, South Africa yet... it's a few weeks overdue and my sinus might be at fault.

But I am slightly concerned.

I would not be too concerned about things like this, there are far more harmful carcinogenic materials around you....such as synthetic drugs, herbicides, pesticides, metal in your old fillings..etc (I could go on)

The harmful components used in the construction of the cases are in such small quantities that its almost a non concern!

It's probably true of many of the products we use on a daily basis.

Definitely. It's interesting to skim the material safety data sheets for commonly consumed chemicals, BTW:

Sugar: http://www.jtbaker.com/msds/englishhtml/s7394.htm ("Extremely large oral dosages may produce gastrointestinal disturbances.")

Capsaicin (in hot peppers): http://www.sciencelab.com/xMSDS-Capsaicin_Natural-9923296 ("Taste: Burning.")

Alcohol (ethanol): http://www.nafaa.org/ethanol.pdf ("May cause central nervous system depression, characterized by excitement, followed by headache, dizziness, drowsiness, and nausea.")

Caffeine: http://www.sciencelab.com/xMSDS-Caffeine-9927475

Table salt: http://www.sciencelab.com/xMSDS-Sodium_chloride-9927593

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