Table 3. Characteristics of Patients Whose Dementia Can Be Improved or Prevented by N-3 PUFA.

1. Mild memory and/or cognitive impairment

a) Subjective memory impairment

b) Mild cognitive impairment (MCI)

c) Cognitive impairment no dementia (CIND)

d) Mild Alzheimer’s disease

2. Higher intake of fish

3. Additional daily n-3 PUFA intake > 2.0 g

4. Additional daily DHA intake > 900 mg

5. Duration of treatment > 6 months