Do straighteners,curling irons,blow dryers, hair dye damage hair?

Does anyone know any websites that actually talk about the damage that hair straighteners or culing irons, or hair dye do to your hair?Do straighteners,curling irons,blow dryers, hair dye damage hair?
mostly hair straighteners will cause damage when used alot. but all of them will do a little damage, because of the heat.





i used straighteners alot and my hair was long, now its short an thin because it fell and broke off.:(Do straighteners,curling irons,blow dryers, hair dye damage hair?
if used extensively and/or if they are overheated (the straighteners/irons)


then they can damage hair.