Daily consumption of a certain form of curcumin improved memory and mood in people with mild, age-related memory loss. The research examined the effects of an easily absorbed curcumin supplement on memory performance in people without dementia, as well as curcumin’s potential impact on the microscopic plaques and tangles in the brains of people with Alzheimer’s disease. Found in turmeric, curcumin has previously been shown to have anti-inflammatory and antioxidant properties in laboratory studies. It has also been suggested as a possible reason that senior citizens in India, where curcumin is a dietary staple, have a lower prevalence of Alzheimer’s disease and better cognitive performance. Which of the following statements are true? 1. Senior citizens in India have high level of Alzheimer’s disease because of consumption of turmeric. 2. Senior citizens in India do not have high prevalence of Alzheimer’s because of consumption of turmeric. 3. Consumption of turmeric enhances cognitive performance. 4. Curcumin is an antioxidant. Select the correct answer using the code given below: