Pregnancy drugs can affect grandkids
... lack enough of a substance called a surfactant to breathe unassisted. So since the 1970s,doctors have been injecting women at risk of having a very premature baby with synthetic glucocorticoid drugs, such as betamethasone, which hasten the development of a fetus's lungs. A single dose cuts the death rate of...Ozone levels may raise risk of underweight births
...f the University of Southern California. Women who breathe air heavily polluted with ozone are at particular risk for having babies afflicted with intra uterine growth retardation-which means babies only fall within the 15th percentile of their expected size. The findings were published early online on the W...Cells from amniotic fluid used to tissue-engineer a new trachea
...h incomplete, malformed or missing tracheas cannot breathe and must immediately go on heart-lung bypass, whic... all five lambs that survived to term were able to breathe spontaneously at birth, four of them with no sign of respiratory distress. (The other two lambs, twi...Children who stop breathing during sleep show brain damage
...e added. "Younger children have to be reminded to breathe and to go to the bathroom. They will plop down to relax in front of the TV or a video game, start turning blue and not realize they are passing out." Some children show disruption of the sympathetic nervous system, which regulates cardiovascular f...Oceans turning to acid from rise in CO2
... global warming. Marine plants soak up CO2 as they breathe it in and convert it to food during photosynthesis. Organisms also use it to make their skeletons and shells, which eventually form sediments. With the explosion of fossil-fuel burning over the past 200 years, it has been estimated that more than a t...Gene mutation responsible for lung and diaphragm defects
To breathe normally, people need more than just healthy lungs. A diaphragm - the large muscle that creates a vacuum to draw air into their lungs - is also crucial. Birth defects in the diaphragm, such as congenital diaphragmatic hernia (which are about as com...Experts hope policy breathes life into asthma treatment method
...t breathing troubles, to a fine mist that patients breathe in through tubes. The treatment typically requires...er, squeeze the device to release the medicine and breathe in at the same time. Medication often can be lost this way, Hendeles said. Attaching a spacer makes ...Innovative coating could give medical implants a longer life
...igned a versatile new two-sided coating that could breathe life into medical implants. Currently the longevity of certain medical implants suffers because bacteria, cells and proteins in the body gradually accumulate on the devices (known as fouling), compromising their performance and threatening patients ...Discovery of an American salamander where it shouldn't be: Korea
...s from the family Plethodontidae have no lungs and breathe through moist skin. Because these nocturnal animals live, breed and lay their eggs on land, they typically are found in areas with abundant rainfall, such as the eastern United States. They are most abundant in North and South America, with one lone ...Low oxygen likely made 'Great Dying' worse, greatly delayed recovery
...athing at sea level would have been like trying to breathe at the summit of a 9,200-foot mountain today. By the early Triassic period, sea-level oxygen content of less than 12 percent would have been the same as it is today in the thin air at 17,400 feet, higher than any permanent human habitation. That mean...SERPINE2 identified as novel candidate gene for COPD, especially with smoking
...ke cancer and heart diseases, people who smoke (or breathe second-hand smoke) have an increased risk of developing COPD, including emphysema and chronic bronchitis. Certain individuals are more susceptible than others, in that they have an increased risk of developing disease in response to smoking. For in...JCI table of contents April 1, 2005
...rticle.php?id=24886 PULMONOLOGY A1 lets lungs breathe a sigh of relief Patients with lung and heart disease are commonly given supplemental oxygen, however very high concentrations of oxygen administered for extended periods of time can trigger lung injury. The mechanism underlying this lung injury h...Fungus-friendly scientists meet in Tucson
...hology and the local host for the meeting. "We all breathe in Alternaria. But some of us sensitize to this fungus -- and we don't know exactly why." Pryor is one of a team of UA researchers investigating why Alternaria does such a good job of triggering allergic responses in people. The mycologists' meeting ...Researching airborne metals in transit workers' bodies
... hours each day, subway workers and transit police breathe more subway air than the typical commuter. Subway air has been shown to contain more steel dust than outdoor or other indoor air in New York City. But do transit workers' bodies harbor elevated levels of these metals? And does this translate into a h...Why do insects stop 'breathing'? To avoid damage from too much oxygen, say researchers
... is inactive and resting, however, it continues to breathe in oxygen at the same high volume it uses while fl...t aging. The concentration of oxygen in the air we breathe is toxic to us. Indeed, fruit flies, which have been studied closely for decades, die sooner from ag...New evidence indicates biggest extinction wasn't caused by asteroid or comet
...d to about 16 percent the equivalent of trying to breathe at the top of a 14,000-foot mountain. "I think temperatures rose to a critical point. It got hotter and hotter until it reached a critical point and everything died," Ward said. "It was a double-whammy of warmer temperatures and low oxygen, and most...Scientists find that the human nose is more complicated than a jumbo jet
...ad to new ways of unblocking it and helping you to breathe more easily. They have even found that the airflow...e nasal cavity to work out where air goes when you breathe in. Tiny coloured beads circulate through the model nose to simulate airflow and this is captured on...$6.7 million for bionic war on disabilities
...e box or larynx. The vocal folds open when we breathe and close when we speak. Some people lose their voice when a vocal fold is paralyzed by stroke; trauma; damage during surgery of the neck, thyroid or chest; or a tumor that impinges on the nerve to the vocal fold. "This device is going to be use...UCSD researchers find effective treatment for unusual fever syndrom caused by cold exposure
...headache and painful red eyes. It's hard for me to breathe when I get out in the cold air. I feel miserable, but I've learned to live with it. Having a hot tub to warm up helps!" Fowler and her two daughters with FCAS were among the individuals who participated in Hoffman's study at UCSD. With the...