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The human brain is the center of the human nervous system and is a highly complex organ. Enclosed in the cranium, it has the same general structure as the brains of other mammals, but is over three times as large as the brain of a typical mammal with an equivalent body size.

Machine learning provide new insights into how the brain responds to heroin use

Object recognition software is used by law enforcement to help identify suspects, by self-driving cars to navigate roadways and by many consumers to unlock their cell phones or pay for their morning coffee.

30 Apr 2025

Higher biological age linked to increased dementia risk

People whose biological age is higher than their chronological age may be more likely to develop dementia than people whose biological age matches or is lower than their chronological age, according to a study published on April 30, 2025, online in Neurology, the medical journal of the American Academy of Neurology.

30 Apr 2025

Can folic acid prevent or promote breast cancer? It depends on dose and DNA

Folic acid plays a dual role in breast cancer depending on dose and context. While moderate intake may reduce risk, high levels or genetic variants disrupting metabolism may promote tumor progression via altered DNA methylation.

30 Apr 2025

Study: Nicotine pouch use nearly doubles among U.S. high school students

The use of nicotine pouches - small, easily concealed sachets of nicotine and additives that are placed between the gum and lip - nearly doubled among U.S. high school students between 2023 and 2024, according to a new USC study.

30 Apr 2025

Mindfulness-based therapy found to decrease opioid cravings and improve emotional health

Researchers from the University of California San Diego have found that Mindfulness-Oriented Recovery Enhancement (MORE) can help rewire the brain's response to natural healthy pleasure, leading to improved mood, greater attention to positive experiences and reduced opioid cravings.

30 Apr 2025

Rare TYROBP gene variant found in Finns linked to increased Alzheimer's risk

Found in the Finnish population, a rare variant of the TYROBP gene significantly increases the risk of Alzheimer's disease, a new study led by the University of Eastern Finland shows.

30 Apr 2025

Curcumin shows promise for treating obesity, inflammation, and neurodegenerative diseases

Researchers explore the medicinal role of curcumin in the treatment and prevention of neuroinflammation and metabolic disorders.

30 Apr 2025

Exercise helps mitigate cancer treatment side effects

Exercise can counter the detrimental effects of cancer treatment, such as heart and nerve damage and brain fog, suggests an overarching review of the existing pooled data analyses of the most recent research, published online in the British Journal of Sports Medicine.

29 Apr 2025

Substance use drives up severity and hospital costs of scooter-related injuries

Analyzing data from the 2016-2021 National Inpatient Sample, UCLA researchers found that 25% of 7350 patients hospitalized for scooter-related injuries were using substances such as alcohol, opioids, marijuana and cocaine when injured.

29 Apr 2025

Brain damage linked to increased impulsivity and social influence

People who have damage to a specific part of their brains are more likely to be impulsive, and new research has found that damage also makes them more likely to be influenced by other people.

29 Apr 2025

Even small workouts can help protect the aging brain

Good fitness can reduce the risk of dementia and promote healthy brain aging. This recognition should be included in updated health recommendations, say researchers behind the new review.

29 Apr 2025

Study connects low birth weight to reduced adult physical activity

Poorer gross motor skills, such as the ability to walk quickly, run, or jump, may explain some of the correlation between being born prematurely and the tendency to engage less in physical activity.

29 Apr 2025

Disrupted body clocks raise risk of early death, study finds

A large cohort study from China and the U.S. shows that Circadian Syndrome (CircS)—a cluster of metabolic and behavioral disruptions—is linked to higher all-cause and cause-specific mortality. The risk increases with the number of CircS components, especially among adults aged 40–60.

29 Apr 2025

Gut bacteria and metabolites reveal depression-linked patterns in older adults

A cross-sectional study of 400 older adults with metabolic syndrome reveals that individuals with depression have distinct gut microbiota and metabolite profiles. Eight bacterial genera and 15 fecal metabolites were significantly associated with depression, suggesting a gut-brain axis link.

29 Apr 2025