ScienceDaily: Health & Medicine News

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• Fatty diets may be associated with reduced semen quality
• Losing belly fat, whether from a low-carb or a low-fat diet, helps improve blood vessel function
• Cool hands may be the key to increasing exercise capacity
• Dietary patterns exist among US adults based on demographics
• Treating intestinal E. coli infection with antibiotic may reduce duration of bacterial carriage
• Potential Alzheimer's disease drug slows damage and symptoms in animal model
• Scientists produce eye structures from human blood-derived stem cells
• Reduced baby risk from another Cesarean
• Simple, low-cost yoga program can enhance coping and quality of life for the caregivers
• Children at risk for schizophrenia show disordered brain networks
• Multiple sclerosis study documents negative effect of warmer weather on cognition
• Gene known to protect against cancer can also promote tumor growth
• Botox injections now used for severe urinary incontinence
• More trans fat consumption linked to greater aggression, researchers find
• Microbubbles and ultrasound help penetrate blood-brain barrier
• Research shows 50 years of motherhood manuals set standards too high for new moms
• Potential drug for speeding up cellular recycling
• Body clocks may hold key for treatment of bipolar disorder
• Just 60 seconds of combat can impair memory, finds study of police officers
• Scientists find insulin, nutrition prevent blood stem cell differentiation in fruit flies

Fatty diets may be associated with reduced semen quality Posted: 13 Mar 2012 08:03 PM PDT Men's diets, in particular the amount and type of different fats they eat, could be associated with their semen quality according to the results of a study. The study of 99 men in the USA found an association between a high total fat intake and lower total sperm count and concentration.

Losing belly fat, whether from a low-carb or a low-fat diet, helps improve blood vessel function Posted: 13 Mar 2012 08:03 PM PDT Overweight people who shed pounds, especially belly fat, can improve the function of their blood vessels no matter whether they are on a low-carb or a low-fat diet, according to a new study.

Cool hands may be the key to increasing exercise capacity Posted: 13 Mar 2012 04:00 PM PDT Cooling the palms of the hands while working out could help you stick with a physical activity program, according to a small study.

Dietary patterns exist among US adults based on demographics Posted: 13 Mar 2012 04:00 PM PDT Scientists say they have identified five eating patterns for US adults that are strongly influenced by age, race, region, gender, income and education.

Treating intestinal E. coli infection with antibiotic may reduce duration of bacterial carriage Posted: 13 Mar 2012 03:59 PM PDT In the E. coli outbreak in Germany in May 2011, treatment with azithromycin was associated with a lower frequency of long-term carriage of the bacteria and shorter duration of shedding of the bacteria in stool specimens, according to a new study.

Potential Alzheimer's disease drug slows damage and symptoms in animal model Posted: 13 Mar 2012 03:58 PM PDT A compound that previously progressed to Phase II clinical trials for cancer treatment slows neurological damage and improves brain function in an animal model of Alzheimer's disease, according to a new study. The compound epothilone D is effective in preventing further neurological damage and improving cognitive performance in a mouse model of Alzheimer's disease (AD). The results establish how the drug might be used in early-stage AD patients.

Scientists produce eye structures from human blood-derived stem cells Posted: 13 Mar 2012 03:52 PM PDT For the first time, scientists have made early retina structures containing proliferating neuroretinal progenitor cells using induced pluripotent stem (iPS) cells derived from human blood.

Reduced baby risk from another Cesarean Posted: 13 Mar 2012 03:52 PM PDT A major study has found that women who have had one prior cesarean can lower the risk of death and serious complications for their next baby -- and themselves -- by electing to have another cesarean.

Simple, low-cost yoga program can enhance coping and quality of life for the caregivers Posted: 13 Mar 2012 11:50 AM PDT For dementia caregivers, researchers have found that engaging in a brief, 12-minute yogic practice that included an ancient chanting meditation, can lead to improved cognitive functioning, and lower levels of depression for caregivers.

Children at risk for schizophrenia show disordered brain networks Posted: 13 Mar 2012 11:50 AM PDT Neuroscientists have discovered stark developmental differences in brain network function in children of parents with schizophrenia when compared to those with no family history of mental illness.

Multiple sclerosis study documents negative effect of warmer weather on cognition Posted: 13 Mar 2012 11:50 AM PDT Scientists have shown that outdoor temperature significantly impacts cognitive functioning in multiple sclerosis (MS). In cross-sectional and longitudinal samples, patients performed worse on processing speed and memory tasks during warmer outdoor temperatures. Previous research documented increased disease activity during warmer months; this study is the first to show that cognition also fluctuates. This is the first study to support the subjective impression of patients with MS that warm weather negatively affects their cognition.

Gene known to protect against cancer can also promote tumor growth Posted: 13 Mar 2012 11:07 AM PDT Can a gene simultaneously protect against cancer and favor its growth? Researchers have discovered a gene with this double-edged property and suspect there may be many more that share it.

Botox injections now used for severe urinary incontinence Posted: 13 Mar 2012 11:04 AM PDT When you think of Botox injections, you probably think of getting rid of unwanted wrinkles around the eyes or forehead, but recently the FDA approved using the injections to help patients with neurological conditions who suffer from incontinence, or an overactive bladder.

More trans fat consumption linked to greater aggression, researchers find Posted: 13 Mar 2012 09:25 AM PDT Researchers have shown -- by each of a range of measures, in men and women of all ages, in Caucasians and minorities -- that consumption of dietary trans fatty acids is associated with irritability and aggression.

Microbubbles and ultrasound help penetrate blood-brain barrier Posted: 13 Mar 2012 09:17 AM PDT One of the trickiest parts of treating brain conditions is the blood-brain barrier, a blockade of cells that prevent both harmful toxins and helpful pharmaceuticals from getting to the body's control center. But, a new technique uses an MRI machine to guide the use of microbubbles and focused ultrasound to help drugs enter the brain, which may open new treatment avenues for devastating conditions like Alzheimer's and brain cancers.

Research shows 50 years of motherhood manuals set standards too high for new moms Posted: 13 Mar 2012 09:17 AM PDT New research into 50 years of motherhood manuals has revealed how despite their differences they have always issued advice as orders and set unattainably high standards for new moms and babies.

Potential drug for speeding up cellular recycling Posted: 13 Mar 2012 09:17 AM PDT Cell biologists have identified a potential drug that speeds up trash removal from the cell's recycling center, the lysosome.

Body clocks may hold key for treatment of bipolar disorder Posted: 13 Mar 2012 07:39 AM PDT Scientists have gained insight into why lithium salts are effective at treating bipolar disorder in what could lead to more targeted therapies with fewer side-effects.

Just 60 seconds of combat can impair memory, finds study of police officers Posted: 13 Mar 2012 05:58 AM PDT Just 60 seconds of all-out physical exertion in a threatening situation can seriously damage the memories of those involved for many details of the incident, according to a new study of police officers.

Scientists find insulin, nutrition prevent blood stem cell differentiation in fruit flies Posted: 12 Mar 2012 07:21 AM PDT Stem cell researchers have shown that insulin and nutrition keep blood stem cells from differentiating into mature blood cells in Drosophila, the common fruit fly.

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