Personality Versus Dementia
A new study, published in the journal Alzheimer's & Dementia, investigated whether any of the so-called Big Five personality traits (conscientiousness, extraversion, openness to experience, neuroticism and agreeableness) impacted risk of cognitive decline.
The scientists looked at data from 44,000 people from eight longitudinal studies, of whom 1,700 developed dementia. People who were conscientious, extroverted and more agreeable had a lower risk of a dementia diagnosis compared to their more negative and neurotic peers, reported STAT.
However, the researchers found no link between personality traits and the neuropathology results in autopsies on people's brains after death.
One possibility, the study authors wrote, is that traits such as conscientiousness help people perform better on cognitive tests, which is indicative of their ability to cope with the challenges of dementia.
Body of Knowledge
Gastric acid in the stomach has a normal pH level of 1.5-3.5 -- the lower the number, the greater the acidity. Battery acid, by comparison, has a pH of 0, making it capable of dissolving materials such as metal and bone. Water is neutral at 7.
Get Me That, Stat!
If your spouse has high blood pressure, you're more likely to have it, too, according to new international research. The prevalence of hypertension among married or partnered heterosexual couples over age 50 was highest in England (47%), then the U.S. (38%), followed by China (21%) and India (20%). While high blood pressure is more common in the U.S. and England, the blood pressure link between couples was stronger in China and India.
Doc Talk
Oligoneuronal -- meaning someone isn't smart (oligo from the Greek, meaning few or scanty, as in few neurons or brain cells)
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