Jesper Bengtson
Reboiling water twice: Here is what actually happens in your kettle
New research quantifies what each extra boil does to your water.
Your daily vitamin routine may not be protecting you the way you think it is
A review of 84 studies keeps landing at the same uncomfortable answer.
Chronic illness weighing on your mood? A 12-week digital program helped hundreds feel better
A randomized trial across 13 countries found meaningful drops in anxiety and depression symptoms.
Collagen supplements may actually work for your skin, and a major analysis backs it
A new review of 113 randomized trials points to real, if modest, gains in hydration, elasticity, and wrinkles.
What your hands can quietly reveal about your heart, liver and overall health
Five hand signs that experienced clinicians read as early clues to disease.
5 warning signs of metabolic syndrome – and why most people don’t know they have it
The condition has no symptoms of its own, but five routine measurements can flag it.