What is the harm to the body if you are exposed to laser radiation for a long time?

1)He-Ne laser equipment (including medical equipment) is safe when the power is within the range of 5-25mw. 2) However, He-Ne laser (red light) can be harmful to the eyes, so do not look directly at the red light emitted with your eyes to prevent the impact on the eyes of pregnant women. 3) CO2 laser equipment (including medical equipment), this kind of laser is invisible light, its power 5w/cm2 or less is safe, but more than 30w/cm2 power, because of thermal radiation and other physical factors, may affect the development of the fetus, should be considered to stay away from laser equipment. 4) Because there are many types of lasers with different wavelengths and powers, when we know your laser type, wavelength, power, etc., we can answer your concerns according to the situation.