Month: March 2023

Microglia autophagy: Guardians of the Aging Brain?

Imagine a bustling city, where hardworking street cleaners tirelessly sweep and collect trash to keep the streets clean and free from clutter. In the brain, microglia serve as these dedicated street cleaners, constantly on the lookout for any cellular waste or debris that could harm the delicate network of neurons. A recent study delves into […]

Published on March 21, 2023

Americans’ IQ scores are lower in three domains, higher in one

IQ scores have substantially increased from 1932 through the 20th century, with differences ranging from three to five IQ points per decade, according to a phenomenon known as the ‘Flynn effect.’ But a new study has found evidence of a reverse ‘Flynn effect’ in a large U.S. sample between 2006 and 2018 in every category except one. […]

Published on March 20, 2023

Excessive calories change brain, lead to overeating

Just as an overgrown garden can affect the health of nearby plants, excess calories during development can alter the brain’s functioning and lead to adult overeating. A recent study found that when animals were given excessive amounts of calories during their early life stages, it resulted in changes in the brain regions associated with reward […]

Published on March 20, 2023