The best AI chatbots of 2026: I tested ChatGPT, Copilot, and others to find the top tools around ...

Europe, as the German philosopher Peter Sloterdijk recently wrote, has ended a long “vacation from history.” We have crossed the threshold into a gloomier era that is once again characterized by power ...

In a November 2025 survey conducted by YouGov and designed by the Carnegie Endowment for International Peace, for example, 54 percent of respondents agreed that “the United States is becoming less ...

The AMA's new policy doesn't change much in practice, but it will no doubt contribute to the growing stigma around gender-affirming care.

Over the past 20 y, a resurgence in vitamin D deficiency and nutritional rickets has been reported throughout the world, including the United States. Inadequate serum vitamin D concentrations have ...

Dehydration happens when you lose more fluids than you take in. In older adults, it can raise the risk of constipation, electrolyte imbalances, kidney problems, and falls. Older adults are more prone ...

Eating too few calories or skimping on protein can slow your metabolism, making weight loss harder and increasing future weight gain risk. A sedentary lifestyle and not getting enough high-quality ...

Does ChatGPT harm critical thinking abilities? A new study from researchers at MIT’s Media Lab has returned some concerning results. The study divided 54 subjects—18 to 39 year-olds from the Boston ...