David J. Brenner

David J. Brenner is a scientist who studies how radiation affects humans, especially in medical imaging and cancer treatment. He has contributed to understanding how x-rays and radioactive exposure can cause harm or help diagnose and treat diseases. Brenner's research helps balance the benefits of medical imaging with minimizing radiation risks, ensuring patient safety. He is a professor at Columbia University and widely recognized for his work on radiation dosimetry—the science of measuring radiation doses—and its implications for health. His insights help improve medical procedures and establish safety standards for radiation use.