Perspectives
Editorials, explainers, expert voices, and reader letters
The 25-Hydroxyvitamin D Test: What to Ask For and How to Read Your Result
One blood test defines vitamin D status — if you order the right one, understand your lab's method, and read…
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Heat Exhaustion Treatment: First Aid Guidance from St John’s Ambulance
St John's Ambulance outlines practical first aid for heat exhaustion: move to a cool place, elevate legs, apply cool water,…
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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…
Fermentation and Sustainable Gastronomy: How Chefs are Reshaping Food’s Future
Chef Jaume Biarnés demonstrates that sustainable food systems can deliver both environmental responsibility and culinary…
Chromoblastomycosis: A Neglected Tropical Infection Resurfacing in Clinical Practice
A clinical case presentation in The New England Journal of Medicine highlights diagnostic and therapeutic…
Can Humans Grow a Third Set of Adult Teeth? What the Evidence Actually Shows
Humans naturally develop only two sets of teeth—primary and permanent—due to genetic programming. While supernumerary…