study

(Newser) - Airline passengers routinely suffer from altitude sickness, and aircraft cabins are insufficiently pressurized to prevent it, a new study concludes. Altitudes of 8,000 feet above sea level result in 4% lower oxygen saturation in the blood, researchers found; cabins are often pressurized at the equivalent of 8,000 feet.

(Newser) - The first research linking vitamin D directly to cancer prevention shows the nutrient sharply reduces cancer rates in older women. Only 3% of the 1,179 women monitored while taking a combination of vitamin D and calcium developed cancer over 4 years, a 60% lower rate than those given placebos,...

(Newser) - Men and women work about the same number of hours—if you count labor at home as well as on the job, a new study claims. Despite the popular wisdom that women do more heavy lifting, a broad survey of 25 countries, spanning the economic spectrum,  found that both...