20 ways being left-handed impacts your health

Story highlights

  • Only 10% of the population is left-handed
  • The brains and bodies of lefties may operate differently than those of right-handed people

With just 10% of the population being left-handed, it can be easy for everyone else to forget we're living in a right-handed world. But aside from making it tough to cut a straight line with a pair of scissors designed for righties, being a southpaw can also have some subtle effects on our physical and mental health.

The brains and bodies of lefties may operate differently than those of right-handed people (and in mixed-handed people, who may have different dominant hands for different tasks). "Handedness seems to be determined very early on in fetal development, when