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Metformin linked to lower odds of intermediate macular degeneration in people with diabetes

A five-year image-based study in people with type 2 diabetes found metformin use was associated with lower odds of developing intermediate age-related macular degeneration. The observational findings suggest a potential protective link but do not establish causation and warrant prospective clinical trials.

4 Feb 2026

Mediterranean diet may protect women against all stroke types

Following a Mediterranean diet is associated with a lower risk of all types of stroke among women, according to a study published on February 4, 2026, in Neurology Open Access, an official journal of the American Academy of Neurology.

4 Feb 2026

High intake of ultraprocessed foods increases risk of both all-cause and cancer-specific death

Cancer survivors who consumed higher amounts of ultraprocessed foods as part of their diet had a significantly increased risk of both all-cause and cancer-specific death.

4 Feb 2026

Global analysis reveals up to four in ten cancer cases could be prevented

Up to four in ten cancer cases worldwide could be prevented, according to a new global analysis from the World Health Organization (WHO) and its International Agency for Research on Cancer (IARC).

4 Feb 2026

Breastfeeding and pregnancy linked to improved postmenopausal cognition

Female brains have historically evolved to adapt to pregnancy, undergoing structural and functional changes.

3 Feb 2026

Poll: Many adults over 50 skip flu and COVID vaccines

This winter's brutal flu season isn't over, and COVID-19 cases have risen recently too. But a new poll taken in recent weeks shows that vaccination against both viruses lags among people 50 and over, and the national survey reveals key reasons why.

3 Feb 2026

Men develop premature heart disease earlier than women

The study uncovers critical insights into sex-based heart disease risks, highlighting young adulthood as key for effective cardiovascular health interventions.

2 Feb 2026

Do lifestyle choices affect university students' grades

Researchers examine the association between academic performance on secondary school exams and lifestyle behaviors among university students.

2 Feb 2026

Genetic ancestry influences tumor biology and survival in head and neck cancers

Genetic ancestry plays a key role in determining the behavior of head and neck tumors and may help explain why African-American patients survive for half as long as their counterparts of European ancestry, according to a new review study led by researchers from the University of Maryland School of Medicine's (UMSOM) Institute for Genome Sciences (IGS) and the University of Maryland Greenebaum Comprehensive Cancer Center (UMGCCC).

31 Jan 2026

Nitrate source matters more than nitrate amount

Findings suggest that plant-sourced nitrates may reduce dementia risk, while animal and water sources are linked to increased risk, emphasizing diet quality.

29 Jan 2026

Eating melatonin-rich foods is linked to lower obesity and depression rates

This cross-sectional analysis of 8,320 Brazilian adults quantified melatonin intake from habitual diets and examined associations with multiple chronic health outcomes. Higher dietary melatonin intake was inversely associated with obesity and depression in a non-linear pattern, with no significant associations observed for other conditions.

28 Jan 2026

Air pollution, not diet, shows the strongest link to poorer concentration in schoolgirls

This cross-sectional study of 300 school-aged girls in Tehran found that higher air pollution exposure was consistently associated with poorer concentration, while dietary antioxidant capacity showed weaker, model-dependent links to attention. No significant associations or interactions were observed for short-term memory, highlighting pollution exposure as the dominant factor influencing attentional performance.

28 Jan 2026

Lifetime heavy drinking sharply raises colorectal cancer risk, major US study finds

Lifetime alcohol intake, not just recent drinking, is associated with colorectal cancer risk in older adults followed in the PLCO Cancer Screening Trial. Heavy and consistent long-term drinking was linked to higher colorectal cancer risk, while alcohol cessation was associated with lower odds of early, nonadvanced adenomas.

28 Jan 2026

Mapping the early onset of coronary heart disease in men

Men begin developing coronary heart disease - which can lead to heart attacks - years earlier than women, with differences emerging as early as the mid-30s, according to a large, long-term study led by Northwestern Medicine.

28 Jan 2026

'Evening people' more likely to have poor cardiovascular health

Middle-aged and older adults who were more active in the evenings had poorer cardiovascular health compared to their peers who were more active during the day.

28 Jan 2026

Following the EAT-Lancet diet lowers chronic kidney disease risk

Research shows the EAT-Lancet diet may lower chronic kidney disease risk, emphasizing the importance of diet quality and personalized nutrition in prevention.

28 Jan 2026

Sleeping without pillows may help reduce nighttime eye pressure in glaucoma

Sleeping without pillows may help lower high internal eye pressure, build-up of which causes optic nerve damage and glaucoma-the leading cause of irreversible blindness worldwide–in people with the condition, suggests preliminary research, published online in the British Journal of Ophthalmology.

27 Jan 2026