What Annual exposure from radiation non smoker?

The annual exposure to radiation for a non-smoker primarily comes from natural background radiation, which averages about 2-3 millisieverts (mSv) per year globally. This radiation originates from cosmic rays, terrestrial sources, and radon gas, among others. Additionally, non-smokers may have slightly lower exposure to radiation from certain sources associated with smoking, such as radon in homes. Overall, the health risks from this background radiation are considered minimal for the general population.