Corticosteroids not superior to placebo for add-on treatment of bacterial keratitis

For the treatment of bacterial keratitis, adjunctive corticosteroids are not superior to placebo and adjunctive corneal cross-linking (CXL) is associated with increased scar size, according to a study published online…

What You Expect Shapes How Much Pain You Feel

Key Questions Answered Q: How do expectations influence pain perception?A: Expectations shaped by external cues (like visual signals) and those shaped by treatment information (like placebo explanations) both reduce pain,…

Women’s Scent During Ovulation Alters Male Stress and Attraction

Key Questions Answered Q: What did the study find about female body odor during ovulation?A: Researchers identified three specific scent compounds that increase during ovulation and found they made armpit…

Sex differences affect efficacy of opioid overdose treatment, whole-body PET study reveals

Whole-body [11C] carfentanil PET imaging at baseline (left side of panel) and then following naloxone (middle panel) shows μ-opioid receptor (MOR) in the brain (color) and throughout the body. Weight…

Dementia takes 3.5 years to diagnose after symptoms begin

Credit: Pixabay/CC0 Public Domain People with dementia are diagnosed an average of 3.5 years after symptoms are first noticed, or even longer (4.1 years) for those with early-onset dementia, finds…

Waves reveal ancient petroglyphs on Hawaiian Island

A collection of ancient petroglyphs has been revealed on Oʻahu’s west shore as a result of natural coastal processes. Believed to be over 1,000 years of age, the petroglyphs were…

Researcher harnesses AI to transform skin cancer diagnosis in remote areas

Credit: Heriot-Watt University A researcher at Heriot-Watt University is harnessing the power of artificial intelligence to give patients living in remote parts access to timely and potentially lifesaving medical diagnoses.…

Submerged monumental stone mounds remain a mystery

In 2015, archaeologists discovered 170 submerged stone cairns beneath the waters of Lake Constance, a central European lake that borders Germany, Austria and Switzerland. The discovery was made by the…

Childhood Trauma May Rewire Brain for Lifelong Aggression

Key Questions Answered: Q: What brain region is being studied to understand aggression?A: Researchers are focusing on the thalamic nucleus reuniens, which connects memory, emotion, and decision-making areas of the…

Continuous glucose monitors are in vogue. But do you really need to track your blood sugar?

This image provided by Abbott’s Lingo division in July 2025, shows the Lingo wearable device for continuous glucose monitoring. Credit: Abbott/Lingo via AP A quarter-size device that tracks the rise…