New research highlights that limiting smartphone internet access for two weeks can cut daily online time in half and improve cognitive health to a degree akin to reversing 10 years of brain aging. Partial digital detoxes also yield mental health benefits, supported by Harvard findings on reduced anxiety and sleep issues after one week of decreased phone use.

A recent study published in Evolution reveals that modern dog breeds are experiencing an increase in brain size relative to ancient breeds, with brain size growing larger the further genetically they are from wolves. This trend challenges previous assumptions about domestication and brain size, suggesting social complexity and adaptation to human environments may play significant roles.

A study published in PLOS One found that mood declines more sharply after the fall transition to Standard Time than after the spring shift to Daylight Saving Time. Seasonal clock changes, intended to better utilize daylight, disrupt sleep and daily routines, leading to negative public sentiment and health risks. The debate continues over adopting permanent time standards, with current observance varying globally.

Harvard's longitudinal study of over 9,000 older adults found a 15% lower dementia risk among those with higher optimism, consistent across demographics and health variables, suggesting optimism as a promising area for prevention research.

A recent study demonstrates that marriage is linked to lower cancer rates, with never-married men and women facing significantly higher risks. The research attributes this to factors like healthcare access and social support, though some experts argue the benefits arise from systemic biases rather than marriage itself. Advocacy for removing barriers and recognizing alternative support networks is highlighted.

A new study reveals that Neanderthals produced and used birch tar not only as an adhesive but also as an antibacterial agent to treat wounds, predating modern medicine by 200,000 years. Researchers recreated birch tar using ancient methods and confirmed its antibacterial properties against Staphylococcus aureus, highlighting early medicinal practices among Neanderthals.

Oxford University’s comprehensive review of 14 systematic studies reveals that nicotine e-cigarettes consistently outperform traditional smoking cessation methods, with users being 1.5 to 2.4 times more likely to quit after six months. While safety data on serious adverse events remains uncertain due to limited study sizes, the research underscores significant gaps, including the absence of comparisons with medications like bupropion and cytisine and a predominance of data from wealthy countries.

New research involving over 4,200 Brazilian teens and their guardians shows that parental alcohol and tobacco use significantly increases the probability of adolescent substance use. Authoritative parenting emerges as the most effective style to reduce this risk, while permissive and neglectful approaches offer no protection. The study also warns that frequent parental drinking, even when normalized, elevates teens' chances of substance use.

A University of Washington study reveals that diets richer in plant foods correlate with slower DNA-based biological aging, highlighting whole grains as particularly beneficial and indicating that moderate dietary changes can contribute to longevity.

An international expert panel led by the Technical University of Munich finds that broad social media bans and surveillance on children often undermine trust and safety, recommending collaborative and educational approaches instead.

A German study involving 94 healthy adults found that consuming sugary drinks before a massage prevents full relaxation by maintaining elevated fight-or-flight nervous system activity. In contrast, water drinkers experienced complete stress withdrawal. The glucose group showed better attention afterward, suggesting a balance between mental focus and physical recovery.

A University of British Columbia study reveals that summers in North America and Europe have extended by about 30 days since the 1960s, with inland regions adding over six days per decade since 1990. The research highlights accelerated summer heat accumulation and abrupt seasonal transitions, impacting ecosystems and infrastructure.