Medical Bulletin 26/December/2022
Preeclampsia is a serious blood pressure condition that develops during pregnancy and puts stress on the mother's heart. Left untreated, the condition can cause serious complications like weakened kidney and liver function and decreased blood supply to the fetus.
In a new study evaluating the Mediterranean diet and adverse pregnancy outcomes, investigators from the Smidt Heart Institute at Cedars-Sinai found that women who conceived while adhering to the anti-inflammatory diet had a significantly lower risk of developing preeclampsia during pregnancy.
Reference:
Natalie Bello et al,Association of a Mediterranean Diet Pattern With Adverse Pregnancy Outcomes Among US Women, JAMA Network Open, DOI: 10.1001/jamanetworkopen.2022.48165
Walking inefficiently per day could help adults meet physical activity targets
The inefficient walking styles of Mr Teabag and Mr Putey, acted by John Cleese and Michael Palin in the 1971 Monty Python Ministry of Silly Walks sketch, have been shown to be more variable than usual walking, but their energy expenditure has never been measured.
Reference:
Natalie Busby et al, White matter hyperintensity load is associated with premature brain aging, JOURNAL:Aging-US, DOI 10.18632/aging.204397
Key neurons that maintain body temperature at 37°C in mammals identified
Body temperature in humans and many other mammals is regulated at around 37°C (98.6°F), which optimizes all regulatory functions. When their body temperature noticeably deviates from the normal range, the functions are impaired, which could lead to heat stroke, hypothermia, and, in the worst case, death. However, these conditions might be treated if body temperature can be artificially adjusted to the normal range.
A research group at Nagoya University in Japan has reported that a group of neurons, called EP3 neurons, in the preoptic area of the brain play a key role in regulating body temperature in mammals. The finding could pave the way for the development of a technology that artificially adjusts body temperature to help treat heat stroke, hypothermia, and even obesity. The new study was published in the journal Science Advances.
Reference:
Yoshiko Nakamura et al, "Prostaglandin EP3 receptor-expressing preoptic neurons bidirectionally control body temperature via tonic GABAergic signaling" in Science Advances on December 23, 2022, at DOI: 10.1126/sciadv.add5463.
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