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New model reveals H5N1 is spreading undetected in US dairy herds

Researchers developed a nationwide model to simulate the spread of H5N1 in US dairy cattle, revealing significant under-reporting and predicting continued outbreaks into 2025. Targeted farm-level biosecurity and surveillance are urgently needed to contain the epidemic.

11 May 2025

Scientists link specific gene variants to post-vaccine myocarditis and pericarditis

A genome-wide association study in Sweden identified rare genetic variants near the SCAF11 and LRRC4C genes that may be linked to heart inflammation following COVID-19 mRNA vaccination. The findings shed light on potential biological pathways driving vaccine-associated myocarditis and pericarditis, particularly among younger individuals.

11 May 2025

New AI tool predicts viral mutations to help future-proof COVID vaccines

A novel AI-driven method helps scientists stay ahead of viral evolution by engineering synthetic spike proteins that anticipate future SARS-CoV-2 escape mutations, offering a powerful tool to test and strengthen next-generation vaccines.

11 May 2025

Vegetarians may need to watch thyroid health, especially with low iodine intake

Vegetarians had a modestly higher risk of developing hypothyroidism compared to high meat-eaters, but only after adjusting for BMI. No increased risk was seen for vegans or pescatarians in incident cases, though pescatarians showed a slight increase in baseline prevalence.

11 May 2025

Time-restricted eating may be a promising strategy for sustaining long-term weight loss

Three months of time-restricted eating (TRE), irrespective of whether it is earlier or later in the day, may be a promising strategy for sustaining long-term weight loss in adults with overweight or obesity, according to preliminary results of a randomised controlled trial being presented at this year's European Congress on Obesity (ECO) in Malaga, Spain (11-14 May).

11 May 2025

New human ovaroid model offers insight into infertility and differences in sex development

A new model of tiny human ovary organoids, or ovaroids, has been developed from stem cells, according to research presented at the first Joint Congress between the European Society of Paediatric Endocrinology (ESPE) and the European Society of Endocrinology (ESE).

11 May 2025

Junk food ads make kids eat more, even if the ad shows no food!

Children exposed to just 5 minutes of junk food ads consumed 130 extra calories in a day, regardless of ad type or media format. Even brand-only ads, without showing actual food, triggered significant increases in calorie intake.

11 May 2025

Early childhood growth predicts adult height but not puberty timing, study finds

Children’s growth in the first two years of life significantly influences their pubertal growth and adult height, but not when puberty begins, according to a Swedish study. Early-life height is a strong predictor of final adult stature, highlighting the critical window for developmental monitoring.

10 May 2025

Delayed puberty in boys raises risk of type 2 diabetes later in life, study shows

A large Israeli study found that boys who experience delayed puberty are significantly more likely to develop type 2 diabetes in early adulthood. This increased risk persists even after accounting for body weight, socio-economic status, and other confounding factors.

10 May 2025

Researchers find 8,500 tonnes of antibiotics enter rivers every year

A global study led by McGill University estimates that 8,500 tonnes of antibiotics enter river systems annually, mostly from human use—even after wastewater treatment. The findings warn that chronic exposure poses risks to aquatic life and fuels antibiotic resistance, especially in regions with poor sanitation.

10 May 2025

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

Researchers uncover why women handle body fat more efficiently

Women’s fat cells break down fat faster than men’s once activated, even though they require higher hormone levels to initiate the process. This may help explain why women are less prone to metabolic complications despite higher body fat.

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

Low phosphate levels may help explain male infertility, study finds

Men with fertility problems were significantly more likely to have low blood phosphate levels, a mineral essential for energy and reproductive function. Researchers found lower phosphate was linked to poorer sperm motility, suggesting a possible pathway for new fertility treatments.

10 May 2025

Medical Science News

New model reveals H5N1 is spreading undetected in US dairy herds

Scientists link specific gene variants to post-vaccine myocarditis and pericarditis

New AI tool predicts viral mutations to help future-proof COVID vaccines

Vegetarians may need to watch thyroid health, especially with low iodine intake

Time-restricted eating may be a promising strategy for sustaining long-term weight loss

New human ovaroid model offers insight into infertility and differences in sex development

Junk food ads make kids eat more, even if the ad shows no food!

Early childhood growth predicts adult height but not puberty timing, study finds

Delayed puberty in boys raises risk of type 2 diabetes later in life, study shows

Researchers find 8,500 tonnes of antibiotics enter rivers every year

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

Obesity in teens alters brain regions tied to memory and emotion

Study reveals phthalate exposure harms early sexual development in children

Researchers uncover why women handle body fat more efficiently

Mothers' early pregnancy weight influences kids’ BMI into adolescence

Low phosphate levels may help explain male infertility, study finds

KL-6 levels help differentiate interstitial lung disease from abnormalities

Advancing noninvasive EEG with high spatiotemporal resolution through focused ultrasound

Mitochondrial transplantation as a strategy to address metabolic decline in aging

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

Redefining control and consistency in anaerobic microbiome workflows

AI in Healthcare: How generative tools are transforming clinical practice

The future of automation: Machine learning–driven hepatocyte and organoid counting

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