Recent studies have found that Alzheimer's may develop without dementia in nearly 25 per cent of healthy 80-year-old patients, suggesting the body may turn to compensatory mechanisms to maintain the nervous system, said researchers from the University at Buffalo in the US.
Capsaicin is the active component in chili which reportedly speeds up metabolism, fat loss and inhibits vascular disorders but this is the first longitudinal study to investigate the association between chili intake and cognitive function.
The research also demonstrated that statin users had a 23 per cent reduction in the risk of stroke, which is three times more likely in patients with mild dementia and seven times more likely in those with severe dementia.
Researchers at Radboud University in the Netherlands found the drug nilvadipine increased blood flow to the brain's memory and learning centre among people with Alzheimer's without affecting other parts of the brain.
The study, published in the journal PLoS One, found that healthy younger and older adults who received repetitive transcranial magnetic stimulation (rTMS) therapy performed better on a memory task than those who received placebo.