<p>I believe that you are thinking about the wrong chemical in your question. Sulfuric acid is highly corrosive, and getting it on your skin will give you severe chemical burns. I don't think anyone has laughed from getting into contact with it, unless they had a hysterical laughing reaction to getting into serious trouble.&nbsp;</p>
<p>If you inhale the gas version of sulfuric acid, then you will likely end up in a hospital. I think it might be fatal if the concentration is strong enough, so don't ever ingest or inhale this!&nbsp;</p>
<p>I do believe that you are instead thinking of nitrous oxide, otherwise known as laughing gas. This chemical is used as a cheap high where you typically laugh when you inhale it, but it's also used as a sedative / pain reducing medicine in some hospitals around the world.&nbsp;</p>
<p>The laughing itself comes from the euphoria &nbsp;that the chemical inflicts. The biochemical explanation is basically that it releases dopamine that activates dopaminergic neurons, which translates to the user feeling extremely good.&nbsp;</p>
<p>So, don't ever use sulfuric acid on a human, but stick to nitrous oxide (N2O). There are studies that indicate that long-term use can be harmful, but it's no where close to the other euphoric drugs such as cocaine or morphine.&nbsp;</p>

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