352">Figure 6 from Holt-Lunstad &amp; Smith 2010</a>. Of course, big disclaimer that they found a <em>correlation</em>. But unless you want to try randomly assigning people to be lonely for life, observational evidence is all you&#39;re gonna get.&nbsp;<a href="#fnref21" rev="footnote">&#8617;</a></p>
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	<li id="fn22">
	<p><strong>3 days on average to infectiousness:</strong> ‚ÄúAssuming an incubation period distribution of mean 5.2 days from a separate study of early COVID-19 cases, we inferred t