Scientists are reporting a major advance in diagnosing tuberculosis: A new test can reveal in less than two hours, with very high accuracy, whether someone has the disease and if it’s resistant to the main drug for treating it.
The test could revolutionize TB care and replace the 125-year-old process used now, which is slow and misses more than half of all cases, experts say. A better test would be a powerful tool to curb TB in poor countries, where most people spread the lung disease before they are diagnosed and …

Forget the Dow and the GDP. Here’s the latest economic indicator: The U.S. birth rate has fallen to its lowest level in at least a century as many people apparently decided they couldn’t afford more mouths to feed.
The birth rate dropped for the second year in a row since the recession began in 2007. Births fell 2.6 percent last year even as the population grew, numbers released Friday by the National Center for Health Statistics show.
“It’s a good-sized decline for one year. Every month is showing a decline from the …

A new superbug that is resistant to a host of drugs has surfaced in South Asia and as it began to spread the UN’s health agency on Friday called on health officials around the world to monitor the situation closely.
The World Health Organization said research published in The Lancet medical journal on August 11 identified a new gene that allows some types of bacteria to become highly resistant to nearly all antibiotics.
“While multi-drug resistant bacteria are not new and will continue to appear, this development requires monitoring and further study …

Researchers have found that three sessions of the exercise a week can help fight off depression as it boosts levels of a chemical in the brain which is essential for a sound and relaxed mind.
Scientists found that the levels of the amino acid GABA are much higher in those that carry out yoga than those do the equivalent of a similarly strenuous exercise such as walking.
The chemical, GABA, is essential to the function of brain and central nervous system and which helps promote a state of calm within the body.
Low …

A half-billion eggs have been recalled in the nationwide investigation of a salmonella outbreak that Friday expanded to include a second Iowa farm. More than 1,000 people have already been sickened and the toll of illnesses is expected to increase.
Iowa’s Hillandale Farms said Friday it was recalling more than 170 million eggs after laboratory tests confirmed salmonella. The company did not say if its action was connected to the recall by Wright County Egg, another Iowa farm that recalled 380 million eggs earlier this week. The latest recall puts the …