Less vitamin D and melatonin bad for multiple sclerosis

Studies untangle dark and light sides of immune disorder

day-night melanin

NIGHT AND DAY  Compounds the body makes in response to darkness and light play roles in the immune disorder multiple sclerosis, new studies show.

Klagyivik Viktor/Shutterstock

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Health & Medicine

From the Nature Index

Paid Content