The fog was caused by a sharp drop in temperature overnight in the Valley of Mexico. (@LisetGlezG/X) A dense fog bank descended on the Valley of Mexico before dawn Thursday, prompting cancellations ...

#NewDelhi chokes as #Diwali celebrations send pollution soaring–smog levels spike to dangerous highs, turning the city into a haze.

When Emi Bossio began to cough, she didn’t think it would be anything serious. She was 47, a healthy lawyer in Calgary who had never smoked. “I ate nutritiously and stayed fit,” she said. “I thought ...

Leg pain can be caused by overuse, trauma, infection, or a severe medical condition. Applying ice helps reduce pain and swelling, while heat can help with stiffness. Contact a healthcare provider if ...

A radioactive gas that gets trapped in indoor spaces accounts for 3 to 14 percent of all lung cancers – and our toenails could reveal our long-term exposure to this gas. Radon, a colorless and ...

Trimming your toenails is a task most people don’t think much about, but If you’re older, have a disability or balance issues, it can be very difficult. Trimming your toenails is a task that most ...

Toenails can reveal clues about your health and lifestyle. While brittle toenails often just happen along with aging, they could also hint at a vitamin deficiency or a fungal infection. By zeroing in ...

Cross-contamination can cause grease thickening, restricting flow and accelerating equipment failure. Incompatibility between base oils—not chemical reactions—is the primary cause of grease ...