Gut microbiome changes improve memory in early cognitive decline

From Mediterranean diets to probiotics, scientists reveal how reshaping the gut microbiome could help protect brain function, while highlighting why timing may be critical for slowing cognitive decline.  Study: The association between gut microbiota and cognitive decline: A systematic review of the literature. Image credit: Toa55/Shutterstock.com The gut-brain axis is gaining importance as a modulator … Read more

APOE4 alters brain immunity and cognition differently in females and males

A new study shows that APOE4 reshapes brain-linked immune and lymphatic pathways in strikingly different ways in females and males, with opposite cognitive effects when innate immunity is suppressed. Study: Sex-specific APOE4-dependent innate immunity regulates meningeal lymphatics, brain lipids, neuroinflammation, and cognition. Image Credit: ahmetmapush / Shutterstock In a recent study published in the journal Neuron, … Read more

Hormonal imbalance and gut microbes linked to cognitive deficits in patients with PitNETs

Pituitary neuroendocrine tumors (PitNETs) are commonly associated with visual disturbances and endocrine abnormalities; however, many patients also experience cognitive deficits, particularly in memory, attention, and executive function, which significantly affect quality of life. Despite increasing recognition of this burden, the mechanisms underlying cognitive impairment remain unclear. Traditionally, cognitive changes have been attributed to tumor mass … Read more

Drinking sparkling water helps gamers stay mentally sharp for hours

A study reveals that a simple, caffeine-free drink may help gamers stay mentally sharp for hours, preserving executive function and reducing fatigue without the crash of sugar or stimulants. Study: Sparkling water consumption mitigates cognitive fatigue during prolonged esports play. Image credit: Arsenii Palivoda/Shutterstock.com A recent study published in Computers in Human Behavior Reports tested … Read more

Prenatal lead exposure linked to lower cognition six decades later

Exposure to lead before birth is associated with lower performance 60 years later on tests of thinking and memory skills in female participants, according to a study published on February 18, 2026, in Neurology®, the medical journal of the American Academy of Neurology. The study does not prove that lead exposure is the cause of the lower … Read more

Moderate Caffeinated Coffee and Tea Consumption Can Lower Dementia Risk

In one of the largest prospective cohort studies to date, moderate consumption of caffeinated coffee (2-3 cups a day) or tea (1-2 cups a day) correlated with reduced dementia risk and modest improvements in cognitive function, although decaffeinated coffee showed no protective effect. Zhang et al. determined that moderate caffeinated coffee and tea intake can … Read more

2-3 Coffee Cups or 1-2 Tea Cups Linked to Lower Dementia Risk – 조선일보

2-3 Coffee Cups or 1-2 Tea Cups Linked to Lower Dementia Risk  조선일보 A couple of teas or coffees a day could lower risk of dementia, scientists say  The Guardian Three cups of tea or coffee ‘lowers risk of dementia by almost a fifth’  The Times Caffeinated coffee and tea could help protect you against dementia. Even a … Read more

Does motherhood influence brain aging? New research suggests a positive cognitive association

New longitudinal evidence suggests reproductive history may shape women’s cognitive aging, offering insights into possible protective pathways while highlighting the need for cautious interpretation. Study: Pregnancy and breastfeeding are associated with less later-life cognitive decline in a longitudinal, prospective cohort. Image Credit: ibragimova / Shuttertock A recent study published in the journal Alzheimer’s & Dementia found … Read more

Olive oil type matters for cognition and gut health in older adults

A large cohort study suggests that not all olive oils are equal, with virgin olive oil showing favorable links to cognitive aging and gut microbiota profiles over two years. Study: Total and different types of olive oil consumption, gut microbiota, and cognitive function changes in older adults. Image Credit: Mehes Daniel / Shutterstock In a … Read more

Alzheimer’s gene therapy could help protect the brain from damage and preserve cognitive function

Researchers at University of California San Diego School of Medicine have developed a gene therapy for Alzheimer’s disease that could help protect the brain from damage and preserve cognitive function. Unlike existing treatments for Alzheimer’s that target unhealthy protein deposits in the brain, the new approach could help address the root cause of Alzheimer’s disease … Read more