Leo Robert

Here: 5 new things to know about stroke -- its link with perioperative A-fib; the danger of cocaine; rehab possibilities with an Alzheimer drug; reducing stroke risk with potassium; and a potential screen for occult A-fib after cryptogenic stroke.

Five recent studies on multiple sclerosis offer new insights: the take-home points are featured in this slide show.

The chances of stroke and ischemic stroke were reduced in women who consumed the most potassium in this study. The differences were greater in those who did not have hypertension.

Here: succinct highlights from new studies may offer you insights about multiple sclerosis you didn't have before.

The notion that vitamin D deficiency is associated with a substantially increased risk of all-cause dementia and Alzheimer disease was confirmed by the results of the largest study of its kind.

The rate of diagnostic accuracy is lower in early disease and higher in later disease and is improved by medication response and other factors.