Loneliness is more than a feeling: For older adults, perceived social isolation is a major health risk that can increase the risk of premature death by 14 percent. Researchers have long known the dangers of loneliness, but the cellular mechanisms by which loneliness causes adverse health outcomes have not been well understood. Now a team […]
Skiing across the raw, open landscape of the Seward Peninsula a few weeks ago, my friends and I dreamed of getting out of a big wind and into the tub at Serpentine Hot Springs. Though none of us had been there, we all recognized the Serpentine valley by black tors guarding the surrounding hillsides. With […]
Long before Mercury, Venus, Earth, and Mars formed, it seems that the inner solar system may have harbored a number of super-Earths–planets larger than Earth but smaller than Neptune. If so, those planets are long gone–broken up and fallen into the sun billions of years ago largely due to a great inward-and-then-outward journey that Jupiter […]
Treating older men with early-stage prostate cancer who also have other serious underlying health problems with aggressive therapies such as surgery or radiation therapy does not help them live longer and, in fact, can be detrimental, according to a study by UCLA researchers. The study followed the cases of more than 140,500 men aged 66 […]