What exactly are we afraid of?

I don’t know about you, but I enjoy a good scare sometimes. While I’m not a horror flick junkie, I do find certain scary movies mildly entertaining and have been know to jump a little at the startling parts, but what is fear, exactly? There is a broad range of fear starting with just being started by something unexpected, up to anticipating a worst case scenario. These days, the latter seems to…