It’s understandable to be worried about numbness in your right or left arm. Keep in mind that the sensation may be temporary, caused by something like sleeping in the wrong position, which is ...

Lydia Ko is dealing with a tingling sensation in her right arm after waking up with a neck spasm earlier in the week. Ko, the ...

A 52-year-old man with a history of remote neck surgery presents to the emergency department with weakness and paresthesia in the left arm. He first noted the symptoms when he awoke in the morning.