Perspectives

Editorials, explainers, expert voices, and reader letters

Vegan, Gluten-Free, Cruelty-Free: What a Manufacturer’s Declaration Is Worth

A badge on the box, a signed declaration, and an audited third-party certification are three very different things. Here is…

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Can laughter improve health? Researchers launch study to find out

A new research initiative called the Laughter Lab is systematically investigating whether laughter can improve health and wellbeing. The study…

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Tracing transgender identity through history: Evidence from ancient civilizations to modern terminology

Historical records from ancient Egypt, Mesopotamia, Greece, and Rome document individuals who crossed gender boundaries,…

The profound human connection at the heart of oncology practice

Oncologists describe cancer care as uniquely privileged not for curative power alone, but for the…

Why Sunlight Triggers Sneezing in Some People: The Science Behind Photic Sneeze Reflex

Approximately 18–35% of people experience involuntary sneezing when exposed to bright sunlight—a phenomenon known as…

Flavanols in fruits and vegetables offer measurable cardiovascular protection, research shows

Consuming five daily servings of fruits and vegetables may not provide optimal cardiovascular protection unless…