Please select the eligibility criteria that correspond to the clinical trial below.
Title: Beyond Ageing Project: A RCT to Assess the Benefit of Improving Mental Health Literacy as Well as the Effect of Folate and B12, and Physical Activity, in Preventing Major Depression and Cognitive Decline Among Older Australians
Brief Summary: The purpose of this study is to determine whether folate and vitamin B12, physical activity and mental health literacy can prevent depression, and folate and vitamin B12 and physical activity can prevent cognitive impairment in older people. Also the study aims to assess the benefits for older people in improving their knowledge about mental health in relation to depression.


Options:
A: Inclusion Criteria:

* Patients presenting within seven months of stroke (ischemic or hemorrhagic) or TIA
* Agree to take study medication
* Be geographically accessible for follow-up
* Provide written informed consent

Exclusion Criteria:

* Taking folic acid or B6 on medical advice
* Use of vitamin supplements containing folate, B6 or B12 (unless patient agrees to take study medication instead of the vitamin supplements which they usually take)
* Taking Methotrexate for any reason
* Pregnancy or women of child-bearing potential who are at risk of pregnancy
* Limited life expectancy
B: Inclusion Criteria:

* Aged 65-74 years with some depressive symptoms, assessed using the Kessler 10 Psychological Distress Scale \[K10\] (Andrews \& Slade, 2001)

Exclusion Criteria:

Any of the following:

* Those currently taking medication or receiving psychological treatment for depression
* A report of a medical diagnosis of bipolar disorder/mania
* History of epilepsy
* Diagnosed with cancer and/or on antifolate therapy
* Have a diagnosis of dementia or Alzheimer's disease
* Are currently taking vitamin supplements containing folate, B2, B6 or B12 at a dose exceeding 25% of the recommended daily intake.
* Medical contradictions to exercise (e.g., significant orthopaedic problems or cardiovascular disease that would prevent regular aerobic exercise)
* Ongoing participation in regular aerobic exercise.
C: Inclusion Criteria:

* 50-70 years
* Men and post-menopausal women
* Women with a surgically removed uterus were required to be \>=55 years

Exclusion Criteria:

* Plasma total homocysteine \<13 or \>26 umol/L
* Serum vitamin B12 \<200 pmol/L
* Self-reported current use of drugs which affect folate metabolism
* Self-reported current use of drugs believed to influence intima-media thickening, i.e., lipid-lowering drugs, hormone replacement therapy
* Self-reported medical diagnosis of renal, intestinal, thyroid disease
* Self-reported medical diagnosis of current cancer
* Self-reported current use of supplements containing B vitamins
* Self-reported inability or unwillingness to fast for 12 hours
* \<80% compliance using placebo pills during a 6-week run-in period
* Not giving written informed consent
* Participation in other research studies
D: Inclusion Criteria:

* Patients presenting within one months of ischemic stroke (ischemic or hemorrhagic) or TIA
* Homocysteine level ≥ 15μmol／L
* Agree to take study medication;Be geographically accessible for follow-up
* Provide written informed consent

Exclusion Criteria:

* Other cause of ischemic stroke (cardioembolism; stroke of other determined etiology, and stroke of undetermined etiology according to TOAST subtypes) or hemorrhagic stroke (intracranial vascular malformations; cerebral amyloid angiopathy; trauma and bleeding disorders etc)
* Use of vitamin supplements containing folate, B6 or B12
* Pregnancy or women of child-bearing potential who are at risk of pregnancy
* Limited life expectancy

Answer: B