Yes, it is possible it is age related. MS, microvascular disease (arteriosclerosis), some types of headaches, Alzhiemer’s disease, and even TBI or traumatic brain injury can cause diffuse cerebral atrophy. Normally it presents as white spots on MRI. It is difficult to differentiate the white spots due to one disease from the white spots due to another. Patient history and other parameters are taken into consideration and co related with the MRI picture. Do discuss this with your doctor and get yourself examined. Take care!