Their latest work shows the process is linked to serious brain damage. Professor Salford said neurons that would normally not become "senile" until people reached their 60s may now do so when they were in their 30s. In addition, research indicates that exposure to cell phones’ radiation causes red blood cells to leak hemoglobin. Scientists exposed samples of blood to microwave radiation and found that even at lower levels than those emitted by cell phones, the blood cells leaked hemoglobin.