8.Some people sweat more when they are telling a lie.
撒謊者較平時更易流汗
Measuring perspiration is one of the markers of a polygraph test but is not an indication on its own of a person telling a lie. Some people sweat more when they are nervous or if they are shy. Sweating together with blushing, trembling and difficulty swallowing can be a clear better indication that someone that is lying to you.