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Smoldering spots in the brain may signal severe MS

Aided by a high-powered brain scanner and a 3D printer, researchers peered inside the brains of hundreds of multiple sclerosis patients and found that dark rimmed spots representing ongoing, ‘smoldering’ inflammation, called chronic active lesions, may…

Gut-brain connection helps explain how overeating leads to obesity

A multi-institutional team reveals a previously unknown gut-brain connection that helps explain how those extra servings lead to weight gain.

Study finds older adults less distracted by negative information

USC researchers looked at ‘emotion-induced blindness,’ which refers to distractions caused by emotionally arousing stimuli. In four experiments using a quickly presented sequence of images, they examined how older adults prioritize emotional informatio…

Estrogen improves Parkinson’s disease symptoms

Brain-selective estrogen treatment improves the symptoms of Parkinson’s disease in male mice, according to new research. These findings may help explain the sex differences in Parkinson’s disease and could lead to estrogen-based treatments.

Negative memory storage affects depression symptoms

Physical manifestations of negative memories in the hippocampus could underlie cognitive symptoms of depression, according to new research.

Tissue model reveals role of blood-brain barrier in Alzheimer’s

A new study shows how the Alzheimer’s disease allows toxins to pass through the blood-brain barrier, further harming neurons.

More than just jaundice: Mouse study shows bilirubin may protect the brain

In studies in mice, researchers report they have found that bilirubin, a bile pigment most commonly known for yellowing the skin of people with jaundice, may play an unexpected role in protecting brain cells from damage from oxidative stress.

Alzheimer’s disease destroys neurons that keep us awake

Researchers have noted excessive daytime napping can develop long before memory problems of Alzheimer’s disease appear. Prior studies considered excessive daytime napping compensation for poor nighttime sleep caused by Alzheimer’s-related disruptions i…

Why stress and anxiety aren’t always bad

People generally think of stress and anxiety as negative concepts, but while both stress and anxiety can reach unhealthy levels, psychologists have long known that both are unavoidable — and that they often play a helpful, not harmful, role in our dai…

Investigating ‘spin’ in scientific journals

Do researchers use spin to enhance their findings? A recent investigation into psychology and psychiatry journals concludes that they do.