Category: Technology Author : Duncan Riley Posted: October 1, 2008
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The bad news: my $4000 Mac Pro may be killing me. The good news: if true, Apple will put the next 10 generations of my family through private school


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A French newspaper is reporting that the widely reported smell emanating from Mac Pro computers is toxic, and may cause leukemia or just straight out death.

According to Liberation.fr (english translation), as reported on ZDNet, the odor being emitted from Mac Pros manufactured before 2008 includes a number of chemicals including Benzene, a known carcinogen that in high doses is leathal.

I’ll let Wikipedia explain the risk:

The short term breathing of high levels of benzene can result in death, while low levels can cause drowsiness, dizziness, rapid heart rate, headaches, tremors, confusion, and unconsciousness. Eating or drinking foods containing high levels of benzene can cause vomiting, irritation of the stomach, dizziness, sleepiness, convulsions, and death.

The major effects of benzene are chronic (long-term) exposure through the blood. Benzene damages the bone marrow and can cause a decrease in red blood cells, leading to anemia. It can also cause excessive bleeding and depress the immune system, increasing the chance of infection. Benzene causes leukemia and is associated with other blood cancers and pre-cancers of the blood.

Human exposure to benzene is a global health problem. Benzene targets liver, kidney, lung, heart and the brain and can cause DNA strand breaks, chromosomal damage etc. Benzene causes cancer in both animals and humans. Benzene was first reported to induce cancer in humans in the 1920s. The chemical industry claims it wasn’t until 1979 that the cancer inducing properties were determined “conclusively” in humans, despite many references to this fact in the medical literarure. Industry exploited this “discrepancy” and tried to discredit animal studies which showed benzene caused cancer saying that they weren’t relevant to humans. Benzene has been shown to cause cancer in both sexes of multiple species of laboratory animals exposed via various routes.

…and that’s just part of the entry.

According to the report, Apple France wouldn’t go on the record, but if there is even the slightest chance that this story is true, Apple needs to act NOW.



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  • I have a pre-2008 Mac Pro sitting under my desk at work all day, every day... WTF!
  • Ryan
    I wonder if Steve Jobs uses a Mac Pro?
  • Elmer
    The dose makes the poison.

    For comparison, LD-50 of oral benzene in rats is 930 mg/kg. LD-50 of oral caffeine in rats is 192 mg/kg. Your coffee is 5x more toxic, given the same dose.
  • My 2007 Mac Pro has been in the shop for exactly this smell, but the service center couldn't 'notice anything'. My Mac Pro reeks the most when in sleep mode. Apparently they stress test the machine with software, and my guess is this spins up the fans and as such, all the smelly air get's pushed out the back.

    I'm very worried, and am calling AppleCare tomorrow
  • fuckyou
    That is really stupid that you would think that there is enough benzene being emitted to kill you. The human nose can detect scents at concentrations far below what it takes to injure or kill you.


    Oh noES, I smell a CHEMICAL!!!!!!
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