16-May-2010 Long-term
use of vitamin E may decrease COPD risk Long-term,
regular use of vitamin E in women 45 years of age and older may help
decrease the risk of chronic obstructive pulmonary disease (COPD) by
about 10 percent in both smokers and nonsmokers, according to a study
conducted by researchers at Cornell University and Brigham and Women's
Hospital. 16-May-2010 New
technique may quickly distinguish between active and latent TB An
emerging technique designed to quickly distinguish between people with
active and dormant tuberculosis may help health professionals diagnose
the disease sooner, thereby potentially limiting early exposure to the
disease, according to a study conducted by researchers at Duke
University Medical Center. 17-May-2010 Stem
cells restore tissue affected by ALI Human stem
cells administered intravenously can restore alveolar epithelial tissue
to a normal function in a novel ex vivo perfused human lung after E.
coli endotoxin-induced acute lung injury (ALI), according to research
from the University of California San Francisco. 17-May-2010 Prehistoric
fish extinction paved the way for modern vertebrates A
mass extinction of fish 360 million years ago hit the reset button on
Earth's life, setting the stage for modern vertebrate biodiversity, a
new study reports. The mass extinction scrambled the species pool near
the time at which the first vertebrates crawled from water towards
land, University of Chicago scientists report. Those few species that
survived the bottleneck were the evolutionary starting point for all
vertebrates -- including humans -- that exist today. 17-May-2010 Did
the end of smallpox vaccination cause the explosive spread of HIV?
Vaccinia immunization, as given to prevent the spread of smallpox,
produces a five-fold reduction in HIV replication in the laboratory.
Researchers writing in the open access journal BMC Immunology suggest
that the end of smallpox vaccination in the mid-20th century may have
caused a loss of protection that contributed to the rapid contemporary
spread of HIV. 17-May-2010 Eating
processed meats, but not unprocessed red meats, may raise risk of heart
disease and diabetes In a new
study, researchers from the Harvard School of Public Health have found
that eating processed meat, such as bacon, sausage or processed deli
meats, was associated with a 42 percent higher risk of heart disease
and a 19 percent higher risk of type 2 diabetes. 17-May-2010 Most
patients survive common thyroid cancer regardless of treatment
Individuals with papillary thyroid cancer that has not spread beyond
the thyroid gland appear to have favorable outcomes regardless of
whether they receive treatment within the first year after diagnosis,
according to a report in the May issue of Archives of Otolaryngology --
Head & Neck Surgery, one of the JAMA/Archives journals. 17-May-2010 New
evidence caffeine may slow Alzheimer's disease and other dementias,
restore cognitive function
Although caffeine is the most widely consumed psychoactive drug
worldwide, its potential beneficial effect for maintenance of proper
brain functioning has only recently begun to be adequately appreciated.
Substantial evidence from epidemiological studies and fundamental
research in animal models suggests that caffeine may be protective
against the cognitive decline seen in dementia and Alzheimer's disease.
A special supplement to the Journal of Alzheimer's Disease sheds new
light on this topic and presents key findings. 17-May-2010 New
'Tree of Life' established for one of the largest groups of bacteria A
new "tree of life" has been constructed by researchers at the Virginia
Bioinformatics Institute at Virginia Tech for the gamma-proteobacteria,
a large group of medically and scientifically important bacteria. By
building powerful phylogenetic trees, scientists are able to quickly
identify similarities and differences between the make-up of many
different organisms, crucial information in the search for treatments
to fight anything from the bugs that cause food poisoning to the
pathogens that cause life-threatening diseases. 17-May-2010 The
cost of medicalizing human conditions Menopause.
Normal pregnancy. Infertility. ADHD. Erectile dysfunction. Over the
last several decades, these conditions have come to be defined and
treated as medical problems. They've been "medicalized." In the first
study of its kind in the current issue of Social Science and Medicine,
Brandeis researchers used national data to estimate the costs of these
and a handful of other common conditions on escalating US health care
spending. 17-May-2010 Newborn infants
learn while asleep; study may lead to later disability tests Sleeping
newborns are better learners than thought, says a University of Florida
researcher about a study that is the first of its type. The study could
lead to identifying those at risk for developmental disorders such as
autism and dyslexia. 17-May-2010 Invasive
kudzu is major factor in surface ozone pollution, study shows
Kudzu, an invasive vine that is spreading across the southeastern
United States and northward, is a major contributor to large-scale
increases of the pollutant surface ozone, according to a study
published the week of May 17 in the journal Proceedings of the National
Academy of Sciences. Really? The Claim: Caffeine Helps Prevent Nighttime
Accidents on the Job By ANAHAD O'CONNOR Can
a cup of coffee help night-shift workers? 18-May-2010 Significant
number of fathers experience prenatal, postpartum depression About 10
percent of fathers experience prenatal or postpartum depression, with
rates being highest in the 3 to 6 month postpartum period, according to
an analysis of previous research appearing in the May 19 issue of JAMA,
a theme issue on mental health. 18-May-2010 Depression
care program eliminates suicide A unique
program for patients with depression has resulted in two and a half
years without a single suicide from Henry Ford's patient population.
The program, chronicled in an article in this week's issue of JAMA, was
created by the Behavioral Health Services division of Henry Ford Health
System in 2001. Findings Doomsayers Beware, a Bright Future Beckons By JOHN TIERNEY While
schools of despair await the end of modern civilization, the writer
Matt Ridley expects less poverty and disease, and greater freedom and
happiness. 18-May-2010 New
study reveals link between 'climate footprints' and mass mammal An
international team of scientists have discovered that climate change
played a major role in causing mass extinction of mammals in the late
quaternary era, 50,000 years ago. Their study, published in Evolution,
takes a new approach to this hotly debated topic by using global data
modeling to build continental "climate footprints." Q & A Match Making By C. CLAIBORNE RAY Is
a voice print as distinctive as a fingerprint, or have I just been
watching too much g24h? Why
deep-water oil spills do their damage deep down
16:03 18 May 2010 As little
as 2 per cent of the oil
spilling into the Gulf of Mexico may be accounted for by surface
slicks, a study of a controlled spill suggests Opinion Life in the Third Realm By OLIVIA JUDSON Fringe-frequenting,
abundant, yet undeservedly obscure, archaea are the third great lineage
of living beings. 18-May-2010 Team
led by Scripps Research scientists discovers body's own molecular
protection against arthritis An
international team of scientists from the Scripps Research Institute in
California and the National Research Institute for Child Health and
Development in Japan has discovered that a natural molecule in the body
counters the progression of osteoarthritis. The findings could one day
lead to new therapies for some common diseases of aging. 18-May-2010 Greenland
rapidly rising as ice melt continues
Scientists at the University of Miami say Greenland's ice is melting so
quickly that the land underneath is rising at an accelerated pace. The
paper is now available as an advanced online publication, by Nature
Geoscience. The idea behind the study is that if Greenland is losing
its ice cover, the resulting loss of weight causes the rocky surface
beneath to rise. Guardian UK In an
Ancient Mexican Tomb, High Society
By JOHN NOBLE WILFORD A find in the state of Chiapas
might be several centuries older than similarly decorated tombs
previously known. An
explosive pair A
newly identified type of supernova may be fairly common in the
universe, says one of its discoverers at the Weizmann Institute of
Science. 19-May-2010 Popular
autism diet does not demonstrate behavioral improvement A popular
belief that specific dietary changes can improve the symptoms of
children with autism was not supported by a tightly controlled
University of Rochester study, which found that eliminating gluten and
casein from the diets of children with autism had no impact on their
behavior, sleep or bowel patterns. 19-May-2010 Easily
blocked signaling protein may help scientists stop parasites
Researchers at Washington University School of Medicine in St. Louis
have identified a parasite protein that has all the makings of a
microbial glass jaw: it's essential, it's vulnerable and humans have
nothing like it, meaning scientists can take pharmacological swings at
it with minimal fear of collateral damage. 19-May-2010 More
than 60 percent of teachers have voice problems
Researchers at the University of Malaga have analyzed the presence of
voice disorders in male and female teachers, in order to obtain a
representative statistic: 62.7 percent of the early childhood and
primary education teaching body suffer from these complaints on a daily
or weekly basis. 19-May-2010 Scientists
find protein spurs spread of prostate cancer
Researchers from the Kimmel Cancer Center at Jefferson have found that
Stat5, a signaling protein previously found to be key to survival of
prostate cancer, is also involved in metastasis. 19-May-2010 Researchers
find daily ginger consumption eases muscle pain by 25 percent
For centuries, ginger root has been used as a folk remedy for a variety
of ailments such as colds and upset stomachs. But now, researchers at
the University of Georgia have found that daily ginger consumption also
reduces muscle pain caused by exercise. Smallpox
finding prompts HIV 'whodunnit'
14:00 19 May 2010 Was it
smallpox vaccination, or a lack
of it, that unleashed AIDS? Debora MacKenzie investigates, and finds
another vaccine that might keep HIV at bay 19-May-2010 Sari
cloth a simple sustainable protector from cholera A
five-year follow up study in Bangladesh finds that women are literally
wearing the answer to better health for themselves, their families and
even their neighbors. Using the simple sari to filter household water
protects not only the household from cholera, but reduces the incidence
of disease in neighboring households that do not filter. Immaculate
creation: birth of the first synthetic cell
17:55 20 May 2010
Craig Venter's team has assembled a living organism from scratch – now
the philosophical arguments can start about whether he has created life 20-May-2010 Reducing
niacin intake can prevent obesity A research
team from China explored the mechanism underlying niacin's action on
glucose metabolism, and the association between the US per capita
niacin consumption and the obesity prevalence in the US. They found
there is a close correlation between the niacin consumption and the
obesity prevalence in the US population. The increased obesity
prevalence in the US children in the past three decades may be to a
large extent of a niacin fortification-related event. 20-May-2010 Mini-projectors
-- maximum performance The number
of mini-projector devotees keeps growing. The combination of a new kind
of optical structure with high-performance LEDs enables completely new
compact and brilliant lighting and projection systems. 20-May-2010 Mount
Sinai identifies first drug to demonstrate therapeutic effect in a type
of autism
Researchers from Mount Sinai School of Medicine have identified a drug
that improves communication between nerve cells in a mouse model of
Phelan-McDermid syndrome (PMS). Behavioral symptoms of PMS fall under
the autism spectrum disorder category. The research will be presented
Friday at the International Meeting for Autism Research in Philadelphia. Doctor and Patient When Patients Donft Fill Their Prescriptions By PAULINE W. CHEN, M.D. Many drug
prescriptions never get filled, sometimes with deadly consequences. 21-May-2010 Uncovering
lithium's mode of action Though it
has been prescribed for over 50 years to treat bipolar disorder, there
are still many questions regarding exactly how lithium works. However,
in a study appearing in this month's JLR, researchers have provided
solid evidence that lithium reduces brain inflammation by adjusting the
metabolism of the health-protective omega-3 fatty acid called DHA. Toothy Tree-Swinger May Be Earliest Human The 3-foot
tall ancestor had large teeth for chomping plants and spent a lot of
time in trees, but likely had no language skills. 24-May-2010 It's
the little things: Everyday gratitude as a booster shot for romantic
relationships
Expressions of gratitude in romantic relationships boost trust and
connection. Observations Non-expert treatment shown to be more
effective than primary care in soothing widespread anxiety
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