Epidemiology News and Research

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Difficult childhood experiences linked to increased risk of endometriosis later in life

A new study from Karolinska Institutet involving over a million women links difficult childhood experiences to the risk of being diagnosed with endometriosis later in life.

11 Jun 2025

Nearly half of breast cancer patients continue hormone therapy beyond five years

As recommendations suggest extending hormone-based breast cancer treatment to 10 years for some patients, a new study sheds light on whether patients are opting for it.

9 Jun 2025

School-based cavity treatments help stop tooth decay in children

Two topical treatments applied to kids' cavities can stop the majority of them from progressing for years, according to a study led by NYU College of Dentistry and published in JAMA Network Open.

9 Jun 2025

Healthy diet improves metabolism even without weight loss

Nearly one-third of people who adopted and adhered to a healthy diet did not lose any weight, but still reaped many health benefits, according to a new study led by researchers at Harvard T.H. Chan School of Public Health and Ben Gurion University, Israel.

6 Jun 2025

Study: Deceased-donor kidney transplants do not benefit all patients equally

A major international study, being presented today at the 62nd ERA Congress, reveals that the long-accepted survival advantage of deceased-donor kidney transplantation does not extend equally to every patient and every donor organ.

5 Jun 2025

Household environments may affect the likelihood of children developing eczema

Household environments, including owning a dog, may affect the likelihood of children developing eczema, according to an analysis of almost 300,000 people from across Europe.

4 Jun 2025

AI spots future breast cancer risk in mammograms years before diagnosis

In a large Norwegian study, a commercial AI tool analyzed routine mammograms and identified women at elevated risk of developing breast cancer up to 4–6 years before diagnosis. These AI-generated risk scores may help personalize breast cancer screening and facilitate earlier interventions.

3 Jun 2025

Carotid plaques may quietly become more dangerous over time

Using data from the Rotterdam Study in the Netherlands, researchers have uncovered that carotid artery plaques can undergo potentially dangerous changes over time in patients without symptoms, according to a study was published today in Radiology, a journal of the Radiological Society of North America.

3 Jun 2025

Study uncovers how HSV-1 disables the brain's antiviral defense

Infections caused by herpes simplex virus type 1 (HSV-1) can lead to HSV-1 encephalitis-a rare but deadly condition that inflames the brain.

3 Jun 2025

Expert review reveals how to fuel triathletes for optimal results

This systematic review synthesizes evidence from 35 studies to guide optimal nutrition, supplementation, and recovery for triathletes. The findings highlight the critical importance of glycogen balance, hydration, targeted supplementation, and ongoing education—especially for female athletes at risk of energy deficiency.

2 Jun 2025

Healthy food choices found to be key in reducing heart disease risk

A new study that followed almost 200,000 people for several decades has found that when it comes to heart health, the quality of food consumed matters as much as following a low-carbohydrate or low-fat diet.

1 Jun 2025

Cancer survivor population in the US expected to surpass 22 million by 2035

The number of people living with a history of cancer in the United States is estimated at 18.6 million as of January 1, 2025 and projected to exceed 22 million by 2035, according to a new report, Cancer Treatment and Survivorship Statistics, 2025, led by the American Cancer Society (ACS).

31 May 2025

Banning fluoride could cause widespread dental disease in children

Fluoride has been added to public water systems in the United States since 1945 to strengthen tooth enamel and fight off bacteria, ultimately reducing tooth decay.

30 May 2025

Genetic factors influence obesity risk in children exposed to gestational diabetes

Children exposed to gestational diabetes in utero with a specific variation of a common gene are at a higher risk of becoming overweight or obese during childhood, according to a new study by researchers at the University of Colorado Anschutz Medical Campus.

30 May 2025

Genetic analysis shows leprosy was endemic in pre-colonial America

Long considered a disease brought to the Americas by European colonizers, leprosy may actually have a much older history on the American continent.

29 May 2025

Climate disasters leave lasting impact on health care infrastructure and access

Immediate recovery efforts receive the most attention after severe natural disasters, yet new data from researchers at Drexel University and the University of Maryland suggests these climate events often also leave a critical long-term - and often unaddressed - problem in declines in access to health care.

29 May 2025

Global study maps the spread of IBD in Africa, Asia, and Latin America

Inflammatory bowel disease, which includes Crohn's disease and ulcerative colitis, has long been considered a modern condition of the industrialized West, with cases steadily increasing in North America and Europe throughout the 20th century.

28 May 2025

Long-term cardiorespiratory effects of wildfire smoke exposure revealed

Being exposed to lingering fine particulate matter (PM2.5) from wildfire smoke can have health effects up to three months afterwards, well beyond the couple of days that previous studies have identified, and the exposure can occur even after the fires have ended.

28 May 2025

Sodium intake varies across racial and ethnic groups in the U.S.

Almost all adults in the U.S. consume more sodium (salt) than recommended, yet the sources and use of sodium vary among people of different races and ethnicities, indicating the need for culturally customized advice about sodium intake, according to new research published today in the Journal of the American Heart Association, an open access, peer-reviewed journal of the American Heart Association.

28 May 2025

Study reveals continuing and worrying trend in excess US deaths

There were over 1.5 million "missing Americans" in 2022 and 2023, deaths that would have been averted if US mortality rates matched those of peer countries.

23 May 2025