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Xylem tissue in sapwood can filter bacteria from contaminated water
Date: Feb-28-2014If you've run out of drinking water during a lakeside camping trip, there's a simple solution: Break off a branch from the nearest pine tree, peel away the bark, and slowly pour lake water through the stick. The improvised filter should trap any bacteria, producing fresh, uncontaminated water.In fact, an MIT team has discovered that this low-tech filtration system can produce up to four liters of drinking water a day - enough to quench the thirst of a typical person.
Even though breast is best, uninsured parents don't take breastfeeding classes
Date: Feb-28-2014Just 12 percent of parents without insurance coverage take breastfeeding support classes that can offer crucial support and encourage new moms to breastfeed, according to a new University of Michigan C.S. Mott Children's Hospital National Poll on Children's Health.The American Academy of Pediatrics recommends exclusively breastfeeding until babies are 6 months of age followed by breastfeeding in combination with the introduction of complementary foods until at least 12 months of age. However, only about half of moms in the US are still breastfeeding at 6 months.
Bio-inspired actuated material developed that mimics the complex motion of the heart muscle and could lead to better implantable medical devices
Date: Feb-28-2014In the heart, as in the movies, 3D action beats the 2D experience hands down.In 3D, healthy hearts do their own version of the twist. Rather than a simple pumping action, they circulate blood as if they were wringing a towel. The bottom of the heart twists as it contracts in a counterclockwise direction while the top twists clockwise. Scientists call this the left ventricular twist - and it can be used as an indicator of heart health.The heart is not alone. The human body is replete with examples of soft muscular systems that bend, twist, extend, and flex in complex ways.
Even though breast is best, uninsured parents don't take breastfeeding classes
Date: Feb-28-2014Just 12 percent of parents without insurance coverage take breastfeeding support classes that can offer crucial support and encourage new moms to breastfeed, according to a new University of Michigan C.S. Mott Children's Hospital National Poll on Children's Health.The American Academy of Pediatrics recommends exclusively breastfeeding until babies are 6 months of age followed by breastfeeding in combination with the introduction of complementary foods until at least 12 months of age. However, only about half of moms in the US are still breastfeeding at 6 months.
A woman's attitude during pregnancy affects weight gain
Date: Feb-28-2014Overweight or obese women with the mentality that they are "eating for two" are more likely to experience excessive weight gain while pregnant, according to researchers at Penn State College of Medicine.Cynthia Chuang, associate professor of medicine and public health sciences, studied the attitudes and habits of women who gained appropriate weight and those who exceeded guidelines. Overweight is defined as having a body mass index of 25 to 29; obese is having a BMI greater than 29.
Breast cancer treatments could increase risk of developing osteoporosis or hypertension
Date: Feb-28-2014Older women who have overcome breast cancer are likely to struggle with heart disease, osteoporosis and hypertension further on in their lives. Whether these conditions occur or not is influenced by the treatment that patients received to fight cancer, their overall weight and their age. Breast cancer survivors therefore should watch their weight and get regular exercise so that they can enjoy a high quality of life. These findings, by lead author Nadia Obi of the University Medical Center Hamburg-Eppendorf, who collaborated with the group of Prof.
Breast cancer treatments could increase risk of developing osteoporosis or hypertension
Date: Feb-28-2014Older women who have overcome breast cancer are likely to struggle with heart disease, osteoporosis and hypertension further on in their lives. Whether these conditions occur or not is influenced by the treatment that patients received to fight cancer, their overall weight and their age. Breast cancer survivors therefore should watch their weight and get regular exercise so that they can enjoy a high quality of life. These findings, by lead author Nadia Obi of the University Medical Center Hamburg-Eppendorf, who collaborated with the group of Prof.
Study of the chronic lymphocytic leukaemia genome reveals new advances
Date: Feb-28-2014A study led by Dr. Roderic Guigo from the Centre for Genomic Regulation in Barcelona, as part of the Chronic Lymphatic Leukaemia Genome Consortium, has made new advances in the study of this disease. The work, which was published (in print version) last week in the journal Genome Research, scrutinised the functional profile of the genes and mutations associated with leukaemia.The Spanish Chronic Lymphatic Leukaemia Genome Consortium had previously identified the principal mutations involved in the development of the disease.
Personalized treatment approach may be best for second-most common breast cancer subtype
Date: Feb-28-2014The second-most common type of breast cancer is a very different disease than the most common and appears to be a good candidate for a personalized approach to treatment, according to a multidisciplinary team led by University of Pittsburgh Cancer Institute (UPCI) scientists.Invasive lobular carcinoma, which is characterized by a unique growth pattern in breast tissue that fails to form a lump, has distinct genetic markers that indicate there may be benefits from drug therapies beyond those typically prescribed for the more common invasive ductal carcinoma.
Fructose not responsible for increase in non-alcoholic fatty liver disease
Date: Feb-28-2014Non-alcoholic fatty liver disease is the most common chronic liver disease in developed countries, affecting up to 30 per cent of their populations.Since the disease is closely linked to obesity and Type 2 diabetes, there's a growing debate in the medical community about whether diet plays a role in its development, specifically the consumption of fructose.
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