Anti-inflammatory nasal spray may ease symptoms of multiple sclerosis

An anti-inflammatory nasal spray reduces symptoms severity in a mouse model of multiple sclerosis (MS), suggesting it may potentially treat the condition in humans, too.

Multiple sclerosis occurs when the immune system inadvertently damages myelin, which is the protective covering of nerves. This leads to vision problems, difficulty walking and other symptoms.

Most people with MS experience flare-ups during which myelin is damaged and symptoms worsen, followed by periods of recovery where myelin regenerates. This is known as…