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Maternal testosterone levels shape boys' activity and girls' strength by age 7

Boys born to mothers with PCOS or high third-trimester testosterone levels are less physically active at age 7, particularly on weekends. Girls exposed to high prenatal testosterone show reduced muscle strength but not lower activity levels.

10 May 2025

Obesity in teens alters brain regions tied to memory and emotion

Adolescents with abdominal obesity have larger brain regions linked to memory and emotional control, potentially due to inflammation, according to a large MRI-based study. These brain changes, coupled with socioeconomic disadvantage, may impair cognitive and emotional development during adolescence.

10 May 2025

Study reveals phthalate exposure harms early sexual development in children

Maternal exposure to phthalates during pregnancy is linked to shorter anogenital distance in 3-year-old boys, a marker of impaired sexual development. Girls showed similar outcomes from their own postnatal exposure, highlighting the lasting hormonal risks of environmental pollutants.

10 May 2025

Antibiotic use in infancy raises early puberty risk in girls, study finds

Girls exposed to antibiotics in the first three months of life are significantly more likely to enter puberty early, according to a large South Korean study. The risk increases with earlier exposure and a greater number of antibiotic classes, with no similar effect seen in boys.

10 May 2025

Mothers' early pregnancy weight influences kids’ BMI into adolescence

Children born to mothers with higher BMI in early pregnancy have greater weight and BMI from birth through age 10, regardless of prenatal lifestyle interventions. Paternal BMI also plays a significant role in childhood obesity risk.

10 May 2025

KL-6 levels help differentiate interstitial lung disease from abnormalities

Krebs von den Lungen-6 (KL-6), predominantly expressed by type II alveolar cells, is linked to the prognosis and severity of interstitial lung disease (ILD).

10 May 2025

Gum disease bacterium linked to increased risk of atrial fibrillation

Tempted to skip the floss? Your heart might thank you if you don't. A new study from Hiroshima University (HU) finds that the gum disease bacterium Porphyromonas gingivalis (P. gingivalis) can slip into the bloodstream and infiltrate the heart.

10 May 2025

Hearing problems among newly arrived immigrants and language acquisition challenges

Among newly arrived immigrants studying Swedish, 17 percent reported problems hearing conversations.

10 May 2025

Mitochondrial transplantation as a strategy to address metabolic decline in aging

Announcing a new publication for Acta Materia Medica journal. Aging impairs adipose tissue function and contributes to metabolic disorders, such as obesity and insulin resistance.

10 May 2025

Study reveals colonic inflammation as the trigger for beta cell growth in obesity

Researchers at the Tohoku University Graduate School of Medicine have uncovered a key primary step in the hepatic ERK pathway that leads to increased insulin production.

9 May 2025

New QR4 model identifies hidden risk factors in cardiovascular disease

Collaborative research, led from the University of Oxford and published today in Nature Medicine, has developed a new tool called QR4 that more accurately predicts an individual's 10-year risk of cardiovascular diseases, like heart disease and stroke, particularly identifying high-risk patients that current prediction tools miss.

9 May 2025

Trump team faces key legal decision that could put mental health parity in peril

The Trump administration must soon make a decision that will affect millions of Americans' ability to access and afford mental health and addiction care.

9 May 2025

FDA and NIH launch joint effort to tackle diet-related chronic disease

Today, the U.S. Food and Drug Administration (FDA) and the National Institutes of Health (NIH) announced a new, joint innovative research initiative that will serve as a key element in fulfilling U.S. Department of Health and Human Services Secretary Robert F. Kennedy, Jr.'s commitment to Make America Healthy Again.

9 May 2025

Study reveals regional risk factors driving heart disease in Asia and Oceania

A new study puts the spotlight on the rising burden of ischemic heart disease across Southeast Asia, East Asia and Oceania, and calls for localized, equity-focused interventions in these regions.

8 May 2025

Precision nano therapy targets tumor nerves in pancreatic cancer

Announcing a new publication for Acta Materia Medica journal. A preclinical study has developed a precision nano-intervention strategy targeting tumor-associated nerves to destroy nerve-fueled tumor growth in pancreatic cancer.

8 May 2025

Annual blood test could detect cancer earlier and save lives

A single blood test, designed to pick up chemical signals indicative of the presence of many different types of cancer, could potentially thwart progression to advanced disease while the malignancy is still at an early stage and amenable to treatment in up to half of cases, suggests a modelling study published in the open access journal BMJ Open.

8 May 2025

St. Jude Children's scientists use brain organoids to study rare encephalopathy

While extremely rare, encephalopathy (a condition affecting brain function) triggered by mutations in the UBA5 gene has devastating impacts, with affected individuals reaching few developmental milestones and experiencing frequent and early-onset seizures.

8 May 2025

UC engineers develop saliva test to detect depression and anxiety

University of Cincinnati engineers created a new device to help doctors diagnose depression and anxiety.

8 May 2025

AI tool uses facial images to predict biological age and cancer survival

Eyes may be the window to the soul, but a person's biological age could be reflected in their facial characteristics. Investigators from Mass General Brigham developed a deep learning algorithm called FaceAge that uses a photo of a person's face to predict biological age and survival outcomes for patients with cancer.

8 May 2025

Women face higher risk of COPD even without smoking history

Women' are around 50% more likely than men to develop COPD, the umbrella term for chronic lung conditions, such as emphysema and bronchitis, even if they have never smoked or smoked much less than their male counterparts, suggests observational research, published in the open access journal BMJ Open Respiratory Research.

8 May 2025