disruption of circadian rhythm
41Amyotrophic lateral sclerosis — This article is about progressive Motor Neuron Disease (MND) affecting both the upper motor neurons and lower motor neurons. For MND affecting either but not necessarily both, see Motor neurone disease. ALS redirects here. For other uses, see ALS …
42Light pollution — This article is about light pollution in the visible spectrum. For information on pollution in the radio spectrum, see radio spectrum pollution. This time exposure photo of New York City at night shows skyglow, one form of light pollution …
43Bipolar disorder — Manic depression redirects here. For other uses, see Manic depression (disambiguation). Bipolar disorder Classification and external resources ICD 10 F …
44Optic nerve hypoplasia — Classification and external resources ICD 10 Q07.81 ICD 9 377.43, 743.57 …
