Assertion: melatonin's level | /r/CapableOf | decrease with age
Facets:
value: gradually
type: MANNER
value: for people with alzheimer's disease.﻿﻿
type: OTHER
value: naturally
type: MANNER
Source sentences:
text: In addition, melatonin levels also decrease with age .
text: Research has long established that melatonin levels naturally decrease with age, as well as for people with Alzheimer's disease.﻿﻿
text: The natural level of melatonin gradually decreases with age.