Roughly 90% of humans are right-handed and this is one of the traits that separates us from most other primates who don’t really show any overall preference for left or right handedness.
The left and right sides of the brain control different functions in the body.
The human brain includes two hemispheres connected by a bundle of nerves.
The campaign and election of US President Donald Trump have emboldened the country’s far-right movement, which celebrated his policies designed to limit immigration and repeal affirmative action, .