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When a baby smiles at you, it's almost impossible not to smile back. This spontaneous reaction to a facial expression is part of the back-and-forth that allows us to understand each other's emotions and mental states.

This year's flu season is turning out to be brutal. As a new variant known as subclade K spreads rapidly, a study out today offers clues as to how to avoid the annual sickness.

Some parts of our bodies bounce back from injury in fairly short order. The outer protective layer of the eye-called the cornea-can heal from minor scratches within a single day.

About 1 in 5 patients with cancer who undergo genetic testing are incidentally found to have mutations in their blood called clonal hematopoiesis of indeterminate potential (CHIP).

The California Institute for Regenerative Medicine (CIRM) has awarded $7.4 million to support a University of California San Diego team developing a first-of-its-kind stem cell-based gene therapy for Friedreich's ataxia, a rare inherited neurodegenerative disease that causes progressive loss of coordination, muscle strength, heart function and overall mobility.

New preclinical research suggests that bowel preparation procedures for colonoscopies may temporarily alter gut balance, culminating in unappreciated effects in patients with compromised gastrointestinal health.

Using ribosome engineering (RE), researchers from Shinshu University introduced mutations affecting the protein synthesis mechanism of probiotic Lacticaseibacillus rhamnosus GG (LGG).

Promising ovarian cancer research by Melanie Rutkowski, PhD, at the University of Virginia Comprehensive Cancer Center has won $700,000 in support from the Victoria's Secret Global Fund for Women's Cancers in partnership with Pelotonia and AACR, the American Association for Cancer Research.

A single dose of intravenous (IV) iron dextran is the cost-effective treatment for women with heavy menstrual bleeding and iron deficiency anemia (IDA), according to new research published in Blood Advances.

Researchers at University of California San Diego, Mass General Brigham, and their colleagues have identified specific gut bacteria and metabolic pathways that drive alcohol production in patients with auto-brewery syndrome (ABS).

A research team led by the Medical University of Vienna and the University of Vienna has investigated a possible link between the rising number of people with chronic inflammatory bowel disease and the increasing exposure to micro- and nanoplastics (MNPs).

Cholera, a severe bacterial infection that causes diarrhea and kills if untreated, can be defeated with a diet high in protein, according to a new study from UC Riverside.

Pancreatic ductal adenocarcinoma (PDAC) is the most lethal form of pancreas cancer. It's also the most common form of the disease.

A study based on Finnish twins shows that reproductive history is associated, at the population level, with women's lifespan and biological aging.

Researchers at the University of Southampton have developed a promising new way to bolster the body's immune system response to cancer.

Natural daylight exposure during office hours improves glucose control and boosts fat oxidation in individuals with type 2 diabetes, enhancing metabolic health.

Addressing the microbiome's translational gap involves understanding biological complexity and developing function-driven, patient-specific interventions.

A new study of over 32,000 US Veterans has found that the longer people stay on medications for opioid use disorder (buprenorphine, methadone, or extended-release naltrexone), the greater the probability of short- and medium-term survival. This benefit continues to increase at least for four years of ongoing treatment, considerably longer than most patients currently stay in treatment.

UC Davis researchers have developed a new method that uses light to transform amino acids - the building blocks of proteins - into molecules that are similar in structure to psychedelics and mimic their interaction with the brain.

In early 2025, around 4.9 million British adults - almost one in ten - are estimated to have recently used, or expressed interest in using, glucagon-like peptide-1 (GLP-1) or dual GLP-1/glucose-dependent insulinotropic polypeptide (GIP) receptor agonist medications to support weight loss. The findings, which are based on a nationally representative household survey of 5,260 British adults, are published in BMC Medicine.