How can we debunk common myths and hoaxes about solar eclipses?

Extraordinary astronomical events often give rise to misinformation (claims that eclipses emit toxic radiation, harm pregnant women or herald disasters). It is vital to remember that an eclipse is a purely mechanical and optical phenomenon: it is simply a projected shadow, without any abnormal emission of energy. The best way to combat these myths is to turn to science and consult official sources (such as the IGN or the SEA (could we include the links here?)).