Memory & focus stories

Apr 23, 2026

Dopamine Loss Emerges as Key Driver of Memory Decline in Alzheimer’s

Study finds reduced dopamine signaling contributes to memory decline in Alzheimer’s, highlighting a previously underrecognized pathway and potential target for treatment.

Apr 23, 20263 sources

Apr 20, 2026

Teen Cannabis Use Linked to Slower Cognitive Development in Largest US Study

University of California San Diego researchers found that teenagers who begin using cannabis show slower gains in thinking and memory skills as they develop, according to a study published in Neuropsychology.

Apr 20, 20261 source

Mar 3, 2026

Health Experts Emphasize Brain Exercise and Lifestyle Habits to Maintain Cognitive Function and Prevent Decline

Medical professionals and neuroscientists are highlighting evidence-based strategies for maintaining brain health, including mental challenges, physical exercise, social engagement, and quality sleep. Research shows the brain begins shrinking around age 40, losing approximately 5% of volume per decade, making preventive habits increasingly important.

Mar 3, 20268 sources

Top claims

▪Young APP-KI mice aged 3-6 months correctly learned new associations in 59.1% of all tested sessions compared to 77.5% in young wild-type mice
▪Young APP-KI mice aged 3-6 months performed at 78.6% correct trials for new odor associations compared to 90.6% in young wild-type mice at timepoint T5
▪Entorhinal cortex layer 2 neurons' vulnerability to early-stage Alzheimer's disease makes them a critical target for understanding disease progression

Subtopics

Brain health & dementia researchers2 Addiction and Harm Reduction1 Age related cognitive decline1 Alzheimer’s & dementia1 Alzheimer's disease1 Brain longevity1 Dopamine1 Drug Approval and Clinical Trials1 Exercise & fitness optimization1 Mental health1 Neuroplasticity1 Neuropsychology1 Neuroscience1 Sleep & circadian rhythm1

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