Social media threat: People learned to survive disease, we can handle Twitter

Glenn Harlan Reynolds
USA Today
Originally posted November 20, 2017

Here is an excerpt:

Hunters and gatherers were at far less risk for infectious disease because they didn’t encounter very many new people very often. Their exposure was low, and contact among such bands was sporadic enough that diseases couldn’t spread very fast.

It wasn’t until you crowded thousands, or tens of thousands of them, along with their animals, into small dense areas with poor sanitation that disease outbreaks took off.  Instead of meeting dozens of new people per year, an urban dweller probably encountered hundreds per day. Diseases that would have affected only a few people at a time as they spread slowly across a continent (or just burned out for lack of new carriers) would now leap from person to person in a flash.

Likewise, in recent years we’ve gone from an era when ideas spread comparatively slowly, to one in which social media in particular allow them to spread like wildfire. Sometimes that’s good, when they’re good ideas. But most ideas are probably bad; certainly 90% of ideas aren’t in the top 10%. Maybe we don’t know the mental disease vectors that we’re inadvertently unleashing.

It took three things to help control the spread of disease in cities: sanitation, acclimation and better nutrition. In early cities, after all, people had no idea how diseases spread, something we didn’t fully understand until the late 19th century. But rule-of-thumb sanitation made things a lot better over time. Also, populations eventually adapted:  Diseases became endemic, not epidemic, and usually less severe as people developed immunity. And finally, as Scott notes, surviving disease was always a function of nutrition, with better-nourished populations doing much better than malnourished ones.

The article is here.

The Implications of Libertarianism for Compulsory Vaccination

Justin Bernstein
BMJ Blogs
Originally posted April 24, 2017

Here is an excerpt:

Some libertarians, however, attempt to avoid the controversial conclusion that libertarianism is incompatible with compulsory vaccination. In my recent paper, “The Case Against Libertarian Arguments for Compulsory Vaccination,” I argue that such attempts are unsuccessful, and so libertarians must either develop new arguments, or join Senator Paul in opposing compulsory vaccination.

How might a libertarian try to defend compulsory vaccination? One argument is that going unvaccinated exposes others to risk, and this violates their rights. Since the state is permitted to use coercive measures to protect rights, the state may require parents to vaccinate their children. But for libertarians, this argument has two shortcomings. First, there are other, far riskier activities that the libertarian prohibits the government from regulating. For instance, owning and using automobiles or firearms imposes far more significant risk than going unvaccinated, but libertarians defend our rights to own and use automobiles and firearms. Second, one individual going unvaccinated poses very little risk; the risk eventuates only if many collectively go unvaccinated, thereby endangering herd immunity. Imposing such an independently small risk hardly seems to be a rights violation.

The entire blog post is here.