You are viewing an archived website. Some information on this site may be out of date.
In proton therapy, protons deliver virtually all their energy at their destination thanks to a characteristic of the beam called the Bragg Peak, which can be precisely controlled.
The top image shows the proton energy focused on
a prostate tumor, while the bottom image shows most of the energy from an x-ray beam deposited before reaching the tumor.
Loma Linda is working with NASA in testing space suits to protect astronauts from radiation in outer space.