Why is there a high risk of proton radiation causing a new cancer to develop?

Of great concern, the renowned radiation biologist Dr. Eric Hall reported that the physics of proton radiation delivery causes excessive neutron contamination in the patient’s body.

Neutrons are dangerous nuclear particles that can damage normal organs. They are known to to increase the likelihood of developing potentially life-threatening secondary cancers. (Hall, 2007).

This risk of neutron contamination is much greater with proton radiation than with either IGRT or seed implants.