Long-term exposure to radiation at the workplace may play havoc with your sperm quality says new research by Indian medical scientists. A team of fertility experts led by Manipal University professor of clinical embryology Satish Adiga analysed sperm quality of 83 men working for three to 18 years in diagnostic or radiation units at various hospitals. The results were compared with 51 men also working in hospitals with a similar lifestyle but not exposed to radiation US journal Public Library of Science ONE reports. The men's semen quality was tested for sperm number vitality shape and its DNA quality. The