Five Hundred Years of Mercury Exposure and Adaptation

<table>Box plots showing the variance (standard deviation; STD) of hydrogen isotope ratios along the length of the hair in Huancavelica residents (1) and controls (0). The statistically significant reduced variance in Hg exposed individuals (<svg height="10.9125" id="M9" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 56.150002 10.9125" width="56.150002" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.9125)">
<g transform="translate(72,-63.27)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑃</tspan>
<tspan style="font-size: 12.50px; " x="10.890113" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="22.930502" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="29.182001" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="32.307751" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="38.559254" y="0">1</tspan>
</text>
</g>
</g>
</svg>) signifies deranged biologic rhythms with significant reduction of variance in the system’s control by the autonomic nervous system.</table>

BioMed Research International

Five Hundred Years of Mercury Exposure and Adaptation

Figure 3