A small study of stroke survivors found that those who were optimistic had better outcomes, including a reduction in severity of stroke and physical disability after 3 months.

An ultra-sensitive method of detecting Alzheimer's disease uses a carbon nanotube to measure beta-amyloid plaques, which are biomarkers of the disease, with high accuracy.

Bilingualism has been linked to delayed symptoms of Alzheimer's disease once diagnosed with mild cognitive impairment, due to being more resilient in dealing with neurodegeneration.

A molecular switch that controls the immune system may be useful for reducing inflammation and age-related disease. The NLRP3 inflammasome can be switched off by the protein SIRT2 to lower inflammation.