PSA Screening Does More Harm Than Good, Says New Analysis
To the ongoing debate over whether routine screening for prostate cancer reduces prostate cancer mortality comes a new analysis that suggests that it does more harm than good.
Strange, unpredictable chemistry at high pressure
Extreme pressure has "a completely different atomic table," vital to understanding space.
Zinc, proteins, and an essential cellular balancing act
Shortage of zinc may contribute to diseases like Alzheimer's and Parkinson's
Testosterone promotes reciprocity in the absence of competition
Boosting testosterone can promote generosity, but only when there is no threat of competition
Research shows how aspirin may act on blood platelets to improve survival in colon cancer patients
Researchers believe they have discovered how aspirin improves survival in patients diagnosed with colon cancer, the 2013 European Cancer Congress (ECC2013) [1] heard today (Monday).
First physical evidence of why you're an owl or a lark
They say the early bird catches the worm, but night owls may be missing far more than just a tasty snack.
Air Apparent: Pluto's Eternal Atmosphere
New observations suggest the small world's air never vanishes
Scientists who share data publicly receive more citations
Long-lived citation benefit, and an increase in data reuse over time is seen for gene expression studies
Exercise 'potentially as effective' as many drugs for common diseases
More trials urgently needed to inform treatment decisions
Less can be more when removing lymph nodes during breast cancer surgery
A conservative approach to removing lymph nodes is associated with less harm for breast cancer patients and often yields the same results as more radical procedures, researchers at UT Southwestern Medical Center have found.
Inexpensive drug costing less than 3 dollars may minimize damage from heart attack
Collaborative study by Spain and Icahn School of Medicine at Mount Sinai shows potential benefits of administering beta-blocker medication to heart attack patients in ambulance
Bad luck? Knocking on wood can undo jinx: study
Knocking on wood is the most common superstition in Western culture used to reverse bad fortune or undo a "jinx."
Once infertile woman gives birth after novel Japanese surgical experiment
A 30-year-old infertile woman gave birth after surgeons removed her ovaries and re-implanted tissue they treated in a lab, researchers have reported.
Concerns over mercury levels in fish may be unfounded
New research from the Children of the 90s study at the University of Bristol suggests that fish accounts for only seven per cent of mercury levels in the human body.
Making clean drinking water universally available is 'achievable'
Making clean drinking water globally accessible is one of the biggest challenges of this century. Yet a new study by Oxford University contends that this goal is achievable if the key elements of good governance and management are adopted.
Pharmaceutical Industry Scrambles to Fast-Track Drugs
"Breakthrough therapy" status is much sought after, but there is confusion about its definition and impact
Eye contact may make people more resistant to persuasion
Making eye contact has long been considered an effective way of drawing a listener in and bringing him or her around to your point of view.
Compound may keep survivors of brain aneurysms from succumbing to stroke
Johns Hopkins researchers, working with mice, say they have identified a chemical compound that reduces the risk of dangerous, potentially stroke-causing blood vessel spasms that often occur after the rupture of a bulging vessel in the brain.
Key mechanism behind herpes revealed
Researchers at Lund University in Sweden have for the first time managed to measure the internal pressure that enables the herpes virus to infect cells in the human body.
Researchers propose new theory to explain seeds of life in asteroids
A new look at the early solar system introduces an alternative to a long-taught, but largely discredited, theory that seeks to explain how biomolecules were once able to form inside of asteroids.
You say he's just a friend, but your voice says differently
Think your partner is cheating? His or her voice may be a dead giveaway.
Long-term cognitive impairment too common after critical illness
Patients treated in intensive care units are entering with no evidence of cognitive impairment but oftentimes leaving with deficits similar to those seen in patients with traumatic brain injury
How a 'mistake' in a single-cell organism is actually a rewrite essential to life
Finding reveals new way that RNA genetic information is 'edited'
Old remedy shows promise as new chemo drug for bladder cancer
Active ingredient of ipecac syrup inhibits growth of cancer cells
Fill 'er Up! Health Effects of Coffee
Best Evidence Review of Health Effects of Coffee
Body clock 'reset button' found
Drugs that rapidly tweak the body clock in order to avoid jet lag and the pains of shift work have moved a step closer after research in Japan.
Surprisingly simple scheme for self-assembling robots
In 2011, when an MIT senior named John Romanishin proposed a new design for modular robots to his robotics professor, Daniela Rus, she said, "That can't be done."
'Build-a-baby' patent criticised
A US patent for a database that uses DNA testing to tell prospective parents which traits their future offspring may inherit has been criticised by experts.
'Digital baby' screen for sperm donors
A service that digitally weaves together the DNA of prospective parents to check for potential disease in thousands of "virtual babies" is set to launch in the US by December.
Norovirus vaccine reduces symptoms of illness by more than half, early research shows
An investigational vaccine appears generally well tolerated and effective against the most common strain of norovirus, reducing the main symptoms of the gastrointestinal (GI) infection, vomiting and/or diarrhea, by 52 percent, suggests research being presented at IDWeek 2013™.
'Higgsogenesis' Proposed to Explain Dark Matter
Interactions of Higgs bosons and anti-Higgs in early universe may also have caused the observed asymmetry between matter and antimatter
What evolved first, a dexterous hand or an agile foot?
Resolving a long-standing mystery in human evolution, new research from the RIKEN Brain Science Institute indicates that early hominids developed finger dexterity and tool use ability before the development of bipedal locomotion.
'Minamata' mercury treaty conference kicks off in Japan
A UN conference to sign a historic treaty aimed at reining in the use and emission of mercury began Monday in Kumamoto, near Minamata, the site of Japan's worst-ever industrial poisoning.
Cellular 'shipping' wins Nobel Prize
Three scientists have won the Nobel Prize for medicine or physiology after discovering how cells precisely transport material.