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 There's a way to overcome a family history of obesity - just get three to four hours of moderate activity a day.
Sound pretty daunting?
Not for the Amish of Lancaster County, Pennsylvania, who were the focus of a new study on a common genetic variation that makes people more likely to gain weight.
It turns out the variant's effects can be blocked with physical activity - lots of it.
Scientists believe about 30 per cent of white people of European ancestry have this variant, including the Amish, and that may partly explain why so many people are overweight.
But fighting that fat factor may be easier in the Amish community's 19th century rural lifestyle. They don't use cars or modern appliances. Many of the men are farmers and carpenters, and the women, who are homemakers, often care for several children. Life & Style
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 Air pollution from traffic hinders the heart's ability to conduct electrical signals, a study has suggested.
Exposure to small particulates - tiny chemicals caused by burning fossil fuels - caused worrying changes on the heart traces of 48 heart patients.
Particulate pollution is already known to increase heart attack risk.
The Circulation study appears to back this up and the heart trace changes seen were characteristic of poor oxygen supply to the heart.
The electrocardiograms of the 48 patients studied, who had recently been hospitalised for heart attack, unstable angina or worsening symptoms of coronary heart disease, showed unusual changes called ST-segment depression. BBC News
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Study finds even family members appear to benefit
Exposure to music therapy can dramatically improve the mental and physical condition of patients receiving palliative care, a new study suggests.
The research team says that this is the first large study to gauge -- and substantiate -- the potential of music therapy as a physical and psychological aid to patients coping with advanced illness. USA Today
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 A simple blood test to detect whether a person might develop Alzheimer's disease is within sight and could eventually help scientists in their quest toward reversing the disease's onset in those likely to develop the debilitating neurological condition.
Building on a study that started 20 years ago with an elderly population in Northern Manhattan at risk or in various stages of developing Alzheimer's disease, the Columbia research group has yielded ground-breaking findings that could change the way the disease is treated or someday prevent it. These findings suggest that by looking at the blood doctors may be able to detect a person's predisposition to developing the dementia-inducing disease that robs a person of their memory and ability carry out tasks essential to life. Science Daily
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 Flat breads become stale very quickly, so it’s no surprise that there’s an array of Arab dishes made with crumbled up pitas. This is my favorite destination for them (I love any dish where bread is soaked with salad dressing). You can use whatever greens look good in your market -- arugula, watercress, purslane, and cut up leaves of romaine lettuce are all acceptable. The Middle Eastern spice sumac is available in Middle Eastern markets, but the salad will still be delicious if you don’t include it. To keep the fat a little lower I’ve substituted plain low-fat yogurt for some of the olive oil in the authentic recipe. The New York Time
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 Children are more likely to stutter and have more trouble losing the impediment if they are bilingual before the age of five, in comparison to children who speak only one language during this period, according to an article released on September 9, 2008 in Archives of Disease in Childhood, one of the BMJ Specialty journals.
To investigate the relationship between languages in early childhood and stuttering, scientists examined 317 children who were referred to clinics in the London area for stuttering between the ages of 8 and 10. All of them had lived in Greater London and had started school in the United Kingdom at the age of 4 or 5. These were compared to a group of non-stuttering controls. The childrens' care-takers were surveyed to find out about the language or languages spoken at home. Medical News Today
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Routine use of breast MRI (magnetic resonance imaging) scans to help evaluate cancer after diagnosis is not as beneficial as some believed, according to a new study.
"The bottom line is it doesn't help us as much as we thought it did," says Richard J. Bleicher, MD, a surgical oncologist at Fox Chase Cancer Center in Philadelphia and lead author of the study, presented Saturday at the American Society of Clinical Oncology Breast Cancer Symposium in Washington, D.C.
But another expert who reviewed the study abstract for WebMD says the study was small and that the role of breast MRI to evaluate cancer is still evolving.
On one point all sides seem to agree: More research is needed to determine if MRI can improve the outcomes of women with breast cancer. WebMD
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Use care when giving any medicine to an infant or a child. Even over-the-counter (OTC) medicines that you buy are serious medicines. The following is advice for giving OTC medicine to your child, from the U.S. Food and Drug Administration (FDA) and the makers of OTC medicines:
1-Always read and follow the Drug Facts label on your OTC medicine. This is important for choosing and safely using all OTC medicines. Read the label every time, before you give the medicine. Be sure you clearly understand how much medicine to give and when the medicine can be taken again.
2-Know the "active ingredient" in your child's medicine. This is what makes the medicine work and is always listed at the top of the Drug Facts label. Sometimes an active ingredient can treat more than one medical condition. For that reason, the same active ingredient can be found in many different medicines that are used to treat different symptoms. For example, a medicine for a cold and a medicine for a headache could each contain the same active ingredient. So, if you're treating a cold and a headache with two medicines and both have the same active ingredient, you could be giving twice the normal dose. If you're confused about your child's medicines, check with a doctor, nurse, or pharmacist. Your Total Health
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 The number of women who die as a consequence of pregnancy or childbirth may be nearly twice as high as shown in official figures, which capture only one-third of suicides in the year after giving birth, according to NSW analysis that reveals the true toll of post-natal depression.
Suicide was the leading cause of death between six weeks and a year after giving birth or having a termination, followed by violence and heart attacks, according to an examination by researchers from the University of NSW of a seven-year period ending in 2001. Each of the 76 deaths during the period was classified as being probably linked - either directly or indirectly - to the recent pregnancy. Life & Style
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Scientists at the University of Liverpool have discovered that pressure in the pancreas can inhibit normal enzyme secretion leading to poor digestion in cystic fibrosis patients.
The team found that a build up of pressure in the pancreas – common in Cystic Fibrosis patients – leads to activation of digestive enzymes within cells called acinar cells, which make up most of the pancreas. The enzymes – that would normally be secreted out of the cells in response to a signal from the hormone, cholecystokinin (CCK) – start to destroy the cells from the inside instead.
Cystic fibrosis causes the body to produce abnormally thick and sticky mucus in the lungs and pancreas, leading to breathing difficulties and digestion problems. Duct cells in the pancreas normally secrete a fluid to wash out the digestive enzymes into the gut, where these enzymes break down food. The lack of fluid secretion in cystic fibrosis, however, inhibits this process and so enzymes become stuck in the ducts of the pancreas, often leading to digestive problems. University of Liverpool
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 A new once-a-day drug to treat asthma and hay fever is to be tested in human trials for the first time.
The drug, RPL554, keeps the airways open, dampens down inflammation and protects against the irritants that trigger asthma.
Manufacturer Verona Pharma said trials would be conducted at the Centre for Human Drug Research in the Netherlands.
Research suggests that at least half of the 5.2 million people with asthma in the UK also have hay fever.
When the two conditions are combined the risk of asthma attacks and emergency hospital admissions increase. BBC News
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Findings urge push for broad-based admission policies that reflect ethnic variety. Attending medical schools with high levels of racial and ethnic diversity may better prepare white medical students to care for minority patients, U.S. researchers say.
The study analyzed data from a Web-based survey of 20,112 graduating medical students from 118 medical schools. It found that white students at medical schools with the highest quintile (one-fifth) for student body racial and ethnic diversity, measured by the proportion of underrepresented minority (URM) students, were 33 percent more likely to rate themselves as highly prepared to care for minority patients than white students at medical schools in the lowest diversity quintile -- 61.1 percent vs. 53.9 percent, respectively. This association was strongest in schools in which there was positive interracial interaction. USA Today
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