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I am delighted that Yoshinori Ohsumi won this year's Nobel Prize in physiology or medicine. His pioneering work in yeast led to the discovery of genes and biological processes that are needed for autophagy. Autophagy (from the Greek for "self-eating") is the mechanism by which cells break down and…

A new article highlights the differences between older and younger adults living with HIV, and offers age-specific strategies on how to provide care. Older individuals differ from younger patients with HIV in many ways -- for example, they tend to have an increased risk for late or missed…

The effects of acute sleep deprivation in children has been the focus of new study for the first time. They discovered that the brain in five to 12-year-olds responds differently to sleep deprivation compared to adults: The reduced amount of sleep leads to an increased need for deep sleep in…

Some HIV-infected – and untreated – children do not develop AIDS. A new study shows that they control the virus in a different way from the few infected adults who remain disease-free, and sheds light on the reasons for this difference.

Epidemics spread faster during economic booms because more people are traveling, new research shows. This report also notes that school shutdowns and transportation network closures are seldom efficient measures.

The detailed molecular mechanisms behind regrowth of severed nerves in roundworms have been explained by researchers in a new report. This could lead to treatments promoting human recovery from nerve injury, they say.

Researchers have been investigating whether having an exercise companion increases the amount of exercise we do. Researchers found that finding a new exercise companion increased the amount of exercise people took. This was increased even more when the new partner was emotionally supportive.

Whether you're an engineer, a nurse, or a call center worker, you are likely to spend an average of one third of your day on the job. In a new meta-analysis covering 58 studies and more than 19,000 people across the globe, psychologists have shown that how strongly we identify with the people or…

Around 90% of people in England now take their own bags with them when food shopping as a result of the plastic carrier bag charge, new research has revealed. This has increased from 70% before the charge was introduced and was independent of age, gender or income.

Drop tests from as high as two meters show air bag helmet may reduce impact by as much as six-fold compared to traditional bike helmets, report investigators.

A new study suggests criticism of impoverished and African-American fathers for not being involved in the lives of their children is largely unfounded and that even in cases of incarceration, most low-income fathers are connected to their children.

Gender bias can influence how supervisors view a manager's long-term potential, a new study shows. While past studies have used performance reviews and other formal measures to identify gender bias, these researchers focused on informal evaluations of managers' potential.

Peptides that could help bridge the gap where artificial meets biological have been unveiled by researchers, offering the potential to harness biological rules to exchange information between the biochemistry of our bodies and the chemistry of our devices.

A gene region that raises the risk a child will have a middle ear infection, known to doctors as acute otitis media, has been discovered by researchers. The finding may offer an early clue to helping doctors develop more effective treatments to prevent one of the most common childhood illnesses.

Seasonal flu vaccines work by generating antibodies that bind to the virus and prevent it from infecting cells. Universal flu vaccines do this as well, but go one step further by recruiting white blood cells to destroy infected cells, explain experts. New research builds upon an earlier discovery…

In the amphibian world, the axolotl is the replacement-parts king. This endangered Mexican salamander serves as its own NAPA store for lost body parts, able to fully regenerate limbs, tail, heart, spine and eyes -- making it a model of curiosity for regenerative biologists.

Oral perceptions of coldness and carbonation help to reduce thirst, research shows. The findings could guide sensory approaches to increase fluid intake in populations at risk for dehydration, including the elderly, soldiers, and athletes.

Doctors can now tailor cancer treatments based on their patients' genes, but expansion will require new levels of data sharing and computing power.

FDA warns consumers that homeopathic teething tablets and gels may pose a health risk to infants and children.

From precious metals to maggots, physicians have tried just about everything to help reverse the negative spiral of chronic wounds. And for good reason – these types of non-healing wounds currently cost the healthcare system in excess of $20 billion a year, and millions of sufferers endure months…

A recently-recognized pathologic protein in the brain may play a larger role in the development of clinical Alzheimer's disease dementia than previously recognized, according to a new study of nearly 1,000 older adults.

An electron microscope has been used to capture the first three-dimensional image of a tiny filament, or strand, of an essential muscle that the palm-sized water bug Lethocerus indicus uses to fly. This image shows, for the first time, the individual molecules in the filament in a relaxed state,…

Researchers have discovered how cancer cells become invisible to the body's immune system, a crucial step that allows tumors to metastasize and spread throughout the body.

Health workers may soon have a new weapon in the fight against abscesses -- difficult-to-treat bacterial infections that lead to millions of emergency-room visits every year. Researchers successfully prevented drug-resistant bacteria from forming abscesses, or painful pus-filled lesions, using a…

High indoor temperatures appear to worsen symptoms of chronic obstructive pulmonary disease, or COPD, particularly in homes that also have high levels of air pollutants, according to new research.

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