A to Z Times
A to Z Times

Health & Science

2025 Ends with Breakthroughs in Alzheimer’s Biomarker Research and Renewed Focus on Public Health Challenges

2025 Ends with Breakthroughs in Alzheimer’s Biomarker Research and Renewed Focus on Public Health Challenges

A to Z Times Contributor—DECEMBER 18, 2025

As the year 2025 comes to a close, scientists and public health officials are highlighting significant developments in biomedical research and systemic healthcare issues that have shaped the national health conversation. Central among these are promising advances in the early detection of Alzheimer’s disease, particularly through the development of blood-based biomarkers, and growing concern over

U.S. Researchers Report Mental Health Improvement Linked to In-Person Schooling After Pandemic

U.S. Researchers Report Mental Health Improvement Linked to In-Person Schooling After Pandemic

A to Z Times Contributor—DECEMBER 14, 2025

New research published on December 13, 2025, has found that children who returned to in-person learning during the COVID-19 pandemic experienced significantly fewer mental health diagnoses compared to their peers who continued with remote learning. The study revealed notable declines in diagnoses of anxiety, depression, and ADHD among children attending school in person. These findings

FDA Launches Safety Review on Two Monoclonal Antibody Treatments for RSV

FDA Launches Safety Review on Two Monoclonal Antibody Treatments for RSV

A to Z Times Contributor—DECEMBER 10, 2025

On December 9, 2025, the U.S. Food and Drug Administration (FDA) initiated a formal safety review of two widely used monoclonal antibody treatments for respiratory syncytial virus (RSV), Beyfortus and Enflonsia. These medications have been approved and are currently used to prevent severe RSV infections, particularly in vulnerable populations such as infants and older adults,

New Diabetes Pill Shows Muscle-Sparing Benefits in Early Studies

New Diabetes Pill Shows Muscle-Sparing Benefits in Early Studies

A to Z Times Contributor—DECEMBER 8, 2025

Emerging research in the United States has unveiled a promising new oral medication for diabetes that may offer significant benefits for blood sugar control while preserving muscle mass—an important consideration for many individuals with type 2 diabetes. Early trial data suggest that this experimental drug enhances metabolic activity in skeletal muscle without causing a notable

New Study Reveals How a Polyphenol-Rich Diet May Improve Long-Term Heart Health

New Study Reveals How a Polyphenol-Rich Diet May Improve Long-Term Heart Health

A to Z Times Contributor—DECEMBER 6, 2025

A groundbreaking decade-long study, released on December 5, 2025, has uncovered compelling evidence linking the consumption of polyphenol-rich foods to improved long-term cardiovascular health. This study, which followed over 3,100 adults, offers new insights into the role that diet plays in reducing the risk of heart disease. Participants who regularly consumed foods high in polyphenols,

Federal Shutdown Aftermath Seen Slowing U.S. Research — But Scientists Still Map the Stars

Federal Shutdown Aftermath Seen Slowing U.S. Research — But Scientists Still Map the Stars

A to Z Times Contributor—NOVEMBER 30, 2025

In November 2025, the United States concluded its longest-ever federal government shutdown, which lasted 43 days. The shutdown, which brought numerous federal operations to a halt, had a profound impact on scientific research across the country. Major research institutions, regulatory agencies, and scientific funding bodies were all affected, with many staff members furloughed and key

Study Raises Concerns About Long-Term Keto Diet Risks

Study Raises Concerns About Long-Term Keto Diet Risks

A to Z Times Contributor—NOVEMBER 26, 2025

A recent study in mice has brought attention to the potential long-term risks associated with following a strict ketogenic (keto) diet, which is known for its high-fat, low-carbohydrate structure. While the keto diet has become popular for its effectiveness in aiding weight loss and providing short-term metabolic benefits, the new research suggests that prolonged adherence

New Study Reveals That Estrogen Accelerates Learning by Modulating Dopamine Reward Circuits

New Study Reveals That Estrogen Accelerates Learning by Modulating Dopamine Reward Circuits

A to Z Times Contributor—NOVEMBER 22, 2025

A newly published study on November 21, 2025, has brought fresh insights into the intricate relationship between hormones and learning, revealing that estrogen plays a direct role in enhancing learning speed by modulating the brain’s dopamine reward system. Conducted using female rodent models, the research demonstrated that animals with higher levels of estrogen learned tasks