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A woman is more likely to miscarry if she and her partner drink more than two caffeinated beverages a day during the weeks leading up to conception, according to a new study. Similarly, women who drank more than two daily caffeinated beverages during the first seven weeks of pregnancy were also…
http://dlvr.it/KtwS6g

While it took nearly three years of waiting, the American Thoracic Society is pleased that OSHA has issued its final rule establishing a more protective standard for occupational silica. The new more protective standard will greatly reduce exposure to this known and potentially deadly occupational…
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A research group has become the first to demonstrate the functioning of a DNA nanomachine inside a living organism. Last summer, her team reported another achievement: the development of a DNA nanosensor that measures the physiological concentration of chloride.
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Scientists have discovered a new class of molecular tags that enhance MRI signals by 10,000-fold and generate detectable signals that last over an hour. The tags are biocompatible and inexpensive to produce, paving the way for widespread use of MRI to monitor the metabolic processes of conditions…
http://dlvr.it/KttHpS

In humans inhaled air is conditioned poorly in the nasal cavity in comparison with primates, such as chimpanzees and macaques, according a recent study. Unlike our protruding external nose, which has little effect on improving air conditioning performance, other hominins (including…
http://dlvr.it/KttHmv

Scientists have come up with an explanation for how humans keep hold of the good bacteria in the gut: by making them 'sticky.'
http://dlvr.it/KttHhd

Black men with historically distinctive black names such as Elijah and Moses lived a year longer, on average, than other black men, according to new research examining 3 million death certificates from 1802 to 1970.
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Some people infected with HIV naturally produce antibodies that effectively neutralize many strains of the rapidly mutating virus, and scientists are working to develop a vaccine capable of inducing such "broadly neutralizing" antibodies that can prevent HIV infection.
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Researchers have used modeling to estimate the true impact of infectious diseases, such as swine flu, when underreporting can mean the surveillance from time of the pandemic can miss the vast majority of infections that occur in the population.
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First high-throughput RNA interference screen for host genes that are essential for live henipavirus infection of human cells, and identifies a specific cell protein called fibrillarin as a potential target for drugs against henipaviruses and other paramyxoviruses.
http://dlvr.it/Ktt1YF

Despite increased understanding of heart disease risk factors and the need for preventive lifestyle changes, patients suffering the most severe type of heart attack have become younger, more obese and more likely to have preventable risk factors such as smoking, high blood pressure, diabetes and…
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Routine mammography -- widely recommended for breast cancer screening -- may also be a useful tool to identify women at risk for heart disease, potentially allowing for earlier intervention, according to a new study.
http://dlvr.it/Ktsjbg

New research shows that individuals with a greater degree of activity in the stress center of the brain also have more evidence of inflammation in their arteries and were at higher risk for cardiovascular events, including heart attack, stroke and death, according to a new study.
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Chemical engineers have discovered mechanical properties of the tear film on the eye's surface that can be used to manufacture contact lenses that more closely mimic the eye.
http://dlvr.it/KtsBMH

Inactivating a certain protein-coding gene promotes liver tissue regeneration in mammals, scientists report. The liver is unique among human solid organs in its robust regenerative capability. A healthy liver can regenerate up to 70 percent of its tissue after injury, researchers explained.
http://dlvr.it/KtsB5S

Hydrogen-bonding pairing regulates protein-ligand affinity; helps improve drug design.
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A research group has been studying cancer cells' ability to migrate through to tight spaces and self-repair to develop both treatment and diagnostic solutions for the millions of people who deal with cancer every day.
http://dlvr.it/Ktcr8C

Higher dietary intake of vitamin C has been found to have a potentially preventative effect on cataract progression in the first twin study of cataracts to examine to what degree genetic and environmental factors influence their progression with age.
http://dlvr.it/KtckWV

Botswana appears to have achieved very high rates of HIV diagnosis, treatment, and viral suppression -- much better than most Western nations, including the United States -- according to a new study.
http://dlvr.it/KtcdH5

Prenatal steroid treatment reduces by half a premature baby's risk for a severe form of brain hemorrhage after birth, a study has found. The research, on nearly 26,000 premature infants, demonstrated that the benefit applies even to the earliest born preemies, who can be overlooked as potential…
http://dlvr.it/KtWLc0

Obesity has more than doubled in children and tripled in adolescents in the past 30 years nationwide. One expert says that the most effective approach to addressing weight loss in children are lifestyle-based modifications that involve parents.
http://dlvr.it/KtW6LY

How much would you be willing to pay to fix a facial defect? A new study has examined that question, and found that observers placed a premium on repairing large and central facial defects and were willing to pay less to repair small and peripheral facial defects.
http://dlvr.it/KtW6LB

Can prostate-specific antigen (PSA) screening for prostate cancer be cost-effective? A study, commentary and author interview examine that question.
http://dlvr.it/KtW6BK

Researchers have discovered that touching rough surfaces increases awareness of discomfort in our surroundings, which can trigger empathy. This leads to more interest in donating to charities.
http://dlvr.it/KtVsHK

Normally, cells are highly active and dynamic: in their liquid interior, called the cytoplasm, countless metabolic processes occur in parallel, proteins and particles jiggle around wildly. If, however, those cells do not get enough nutrients, their energy level drops. During such unfavorable…
http://dlvr.it/KtVJWx

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