Memes, Wtf, and Anxiety: WTF fun fact #4648
 Horror movie soundtracks sometimes include infrasound, which
 is sound below the range of human hearing. Even though we
 can't hear it we can still feel it and infrasound has been shown
 to induce anxiety, heart palpitations, and shivering.
 wtffunfact.com
126 away from 20k❤️❤️

126 away from 20k❤️❤️