In this section you have few short passages. After each passage, you will find some items based on the passage. First, read a passage and answer the items based on it. You are required to select your answer based on the contents of the passage and opinion of the author only.

Passage:

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 tangled 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.

____________of a disease in a region depends on the food habits too.