ScienceDaily: Top Health News

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• Smoking during pregnancy may increase risk of bipolar disorder in offspring
• Gene expression databases could uncover therapeutic targets, biological processes
• Armed and attentive: The face is the focus for a person wielding a gun
• Drinking fluoridated water gives no additional risks for hip fractures
• Genes associated with unhealthy liver function
• Product testing to foster care system
• Bad luck? Knocking on wood can undo perceived jinx, study suggests
• Traffic cop for meiosis — with implications for fertility, birth defects
• New process to create artificial cell membranes
• My dishwasher is trying to kill me: Extreme conditions suit pathogenic fungus
• Compound may keep survivors of brain aneurysms from succumbing to stroke
• What makes us left or right handed? New study rules out strong genetic factors
• Discovery goes from the lab to the patient
• Short sleepers most likely to be drowsy drivers
• Role of brain stress in obesity, type 2 diabetes development
• Clinician observations of preschoolers' behavior help to predict ADHD at school age
• Insight into combined radiation injury from nuclear disaster
• Concerns over mercury levels in fish may be unfounded
• Researchers apply regenerative medicine to battlefield injuries
• Zinc discovery may shed light on Parkinson's, Alzheimer's
• Less blood clot risk linked to estradiol than to Premarin pills
• Two common estrogen drugs compared regarding cardiovascular safety
• New insights into DNA repair process may spur better cancer therapies
• Better protein creation may be secret of longevity for the world's longest-living rodent
• Egg growth induced in infertile women, one gives birth

Smoking during pregnancy may increase risk of bipolar disorder in offspring Posted: 01 Oct 2013 04:21 PM PDT A study published suggests an association between smoking during pregnancy and increased risk for developing bipolar disorder in adult children. Researchers evaluated offspring from a large cohort of pregnant women and found that maternal smoking during pregnancy was associated with a twofold increased risk of bipolar disorder in their offspring.

Gene expression databases could uncover therapeutic targets, biological processes Posted: 01 Oct 2013 04:21 PM PDT A new computational tool developed by US and Israeli scientists will help scientists exploit the massive databases of gene expression experimental results that have been created over the past decade. Researchers say it could uncover new links between diseases and treatments and provide new insights into biological processes.

Armed and attentive: The face is the focus for a person wielding a gun Posted: 01 Oct 2013 12:11 PM PDT A person wielding a gun focuses more intently on the face of an opponent with a gun, presumably to try to determine that person's likelihood of pulling the trigger, according to a new study on gun-in-hand research.

Drinking fluoridated water gives no additional risks for hip fractures Posted: 01 Oct 2013 11:14 AM PDT A team of researchers investigated possible adverse health effects on bone tissue from drinking fluoridated water. With nearly half a million individuals participating in this study, this is believed to be one of the largest studies of its kind.

Genes associated with unhealthy liver function Posted: 01 Oct 2013 11:13 AM PDT A groundbreaking study of nearly 2,300 extremely obese diabetes patients has identified genes associated with unhealthy liver function. This is believed to be the nation's first large-scale genome-wide association study in overweight patients with diabetes.

Product testing to foster care system Posted: 01 Oct 2013 11:13 AM PDT Ever since cruise lines first began building mock suites for passengers to try out before installing the rooms on ocean liners in the 1940s, businesses have been devising trial runs for a small number of consumers to test merchandise. Companies still make important changes based on this "usability testing" before taking their goods to the wider market, and researchers say that what works for cell phones and video games may work for human services.

Bad luck? Knocking on wood can undo perceived jinx, study suggests Posted: 01 Oct 2013 10:13 AM PDT A new study finds that certain superstitions actually do "reverse" perceived bad fortune.

Traffic cop for meiosis — with implications for fertility, birth defects Posted: 01 Oct 2013 10:13 AM PDT Researchers have identified the mechanism that plays "traffic cop" in meiosis. Their findings shed new light on fertility and may lead to greater understanding of the factors that lead to birth defects.

New process to create artificial cell membranes Posted: 01 Oct 2013 10:12 AM PDT The membranes surrounding and inside cells are involved in every aspect of biological function. They separate the cell's various metabolic functions, compartmentalize the genetic material, and drive evolution by separating a cell's biochemical activities. They are also the largest and most complex structures that cells synthesize.

My dishwasher is trying to kill me: Extreme conditions suit pathogenic fungus Posted: 01 Oct 2013 10:12 AM PDT A potentially pathogenic fungus has found a home living in extreme conditions in some of the most common household appliances, researchers have found. Scientists have shown that these sites make perfect habitats for extremotolerant fungi (which includes black yeasts). Some of these are potentially dangerous to human health.

Compound may keep survivors of brain aneurysms from succumbing to stroke Posted: 01 Oct 2013 09:40 AM PDT Working with mice, researchers say they have identified a chemical compound that reduces the risk of dangerous, potentially stroke-causing blood vessel spasms that often occur after the rupture of a bulging vessel in the brain.

What makes us left or right handed? New study rules out strong genetic factors Posted: 01 Oct 2013 09:39 AM PDT Around 10 per cent of the population is left handed. But why exactly someone is left or right handed remains unclear.

Discovery goes from the lab to the patient Posted: 01 Oct 2013 09:35 AM PDT A laboratory testing kit that estimates the risk of breast cancer relapse in spite of anti-hormone treatment has received approval from the U.S. Food and Drug Administration (FDA). This technology is based on a gene signature known as "PAM50".

Short sleepers most likely to be drowsy drivers Posted: 01 Oct 2013 09:35 AM PDT New research is revealing that short sleepers, those who sleep less than six hours per night on average, are the most likely to experience drowsy driving, even when they feel completely rested.

Role of brain stress in obesity, type 2 diabetes development Posted: 01 Oct 2013 09:35 AM PDT Researchers have gained new insights into how obesity and type 2 diabetes can create a stress response in the brain, especially in the hypothalamus (the brain region that regulates appetite and energy production), that may contribute to altering metabolism throughout the body.

Clinician observations of preschoolers' behavior help to predict ADHD at school age Posted: 01 Oct 2013 07:48 AM PDT Don't rely on one source of information about your preschoolers' inattention or hyperactivity. Rather, consider how your child behaves at home as well as information from his or her teacher and a clinician. This advice comes from researchers who examined how well parent, teacher, and clinician ratings of preschoolers' behavior were able to predict severity and diagnosis of attention deficit hyperactivity disorder (ADHD) at age six.

Insight into combined radiation injury from nuclear disaster Posted: 01 Oct 2013 07:47 AM PDT A nuclear bomb or nuclear reactor accident can produce a deadly combination of radiation exposure and injuries such as burns and trauma. Now the first study of its kind in 50 years is providing new insights into combined radiation injury.

Concerns over mercury levels in fish may be unfounded Posted: 30 Sep 2013 06:17 PM PDT New research suggests that fish accounts for only seven per cent of mercury levels in the human body. Concerns about the negative effects of mercury on fetal development have led to official advice warning against eating too much fish during pregnancy. A new finding suggests that those guidelines may need to be reviewed.

Researchers apply regenerative medicine to battlefield injuries Posted: 30 Sep 2013 05:00 PM PDT A study has entered its second phase that focuses on developing innovative medical treatments for wounded veterans, including peripheral nerve regeneration, head and face trauma, burns, transplants and other conditions.

Zinc discovery may shed light on Parkinson's, Alzheimer's Posted: 30 Sep 2013 05:00 PM PDT Scientists have made a discovery that, if replicated in humans, suggests a shortage of zinc may contribute to diseases like Alzheimer's and Parkinson's, which have been linked to defective proteins clumping together in the brain.

Less blood clot risk linked to estradiol than to Premarin pills Posted: 30 Sep 2013 01:22 PM PDT Women can choose among several types of estrogen pills, which are equally effective at relieving menopausal symptoms. But in a study, use of estradiol was associated with less risk of developing blood clots in leg veins (deep vein thrombosis) and clots in the lungs (pulmonary emboli) than was use of conjugated equine estrogens (Premarin).

Two common estrogen drugs compared regarding cardiovascular safety Posted: 30 Sep 2013 01:15 PM PDT The oral hormone therapy conjugated equine estrogens (CEEs), which is used by women to relieve menopause symptoms, appears to be associated with increased risk for venous thrombosis (VT, blood clots) and possibly myocardial infarction (heart attack), but not ischemic stroke risk, when compared with the hormone therapy oral estradiol.

New insights into DNA repair process may spur better cancer therapies Posted: 30 Sep 2013 12:28 PM PDT By detailing a process required for repairing DNA breakage, scientists have gained a better understanding of how cells deal with the barrage of damage that can contribute to cancer and other diseases.

Better protein creation may be secret of longevity for the world's longest-living rodent Posted: 30 Sep 2013 12:27 PM PDT Biologists conclude that a better protein-making process helps naked mole rats live long, healthy lives.

Egg growth induced in infertile women, one gives birth Posted: 30 Sep 2013 12:27 PM PDT Researchers have identified a way to induce the ovaries of some infertile women to produce eggs.

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