Superstitions are universally considered to be unsupported scientifically, if that's what you're asking here. 10 I can think of off the top of my head are.... - if you spill salt, toss a pinch over your left shoulder to avoid bad luck - broken mirrors bring 7 years of bad luck - walking under a … Read more

One man's superstition is another man's common knowledge. All things can serve as a hindrance in time, depending on what you're trying to do. If it hinders you, then it is a hindrance. What can happen and what this question usually refers to is whether or not they halt people from learning - and that … Read more