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Accurate mediastinal nodal staging is crucial in the management of non-small cell lung cancer (NSCLC) because it directs therapy and has prognostic value. Now researchers have examined five-year survival after endosonography vs mediastinoscopy for mediastinal nodal staging of lung cancer.

Tiny, star-shaped molecules are effective at killing bacteria that can no longer be killed by current antibiotics, new research shows. The star-shaped structures are short chains of proteins called 'peptide polymers.'

Specific conditions -- tumor hardness and a lack of oxygen at the tumor's core -- lead to breast-cancer progression in laboratory cultures, researchers have found.

It's been known that the bacterium Klebsiella pneumoniae secretes small molecules called siderophores that enable it to acquire iron from a host and fuel its spread. Now, researchers have found that these molecules play additional roles in helping the organism invade.

Anyone who has tried sticking to an exercise routine knows it isn't easy. But the combination of a conditioned cue and intrinsic reward may be the key to developing an exercise habit, according to a new study.

While Zika remains a hot topic in the news, a new survey reveals that Americans believe the country's most significant health care challenge is cancer. In fact, the survey findings report "infectious diseases, such as Zika and Ebola," are tied with HIV/AIDS as the least important health care…

A new particle accelerator generating radioactive isotopes for use in nuclear chemistry will be employed to create new medical radiopharmaceuticals, report scientists.

For the first time, researchers describe how to prepare a specific type of aggregate of the amyloid-beta protein with the ability to perforate the cell membrane. What causes neuron death and the subsequent cognitive decline in Alzheimer´s disease is still unknown.

Collaborating in a group to remember information is harmful, new research suggests. The research statistically analysed 64 earlier collaborative remembering studies and found that groups recall less than their individual members would if working alone.

A new approach to behavior change that has been shown to successfully change hygiene, nutrition and exercise-related behaviors is described in a new paper.

Young women diagnosed with cancer face yet another challenge: infertility. Experimental research could restore their opportunity to start a family.

A news update on kratom from the National Center for Complementary and Integrative Health, U.S. National Institutes of Health (NIH).

Using archival documents, a new report examines the sugar industry's role in coronary heart disease research and suggests the industry sponsored research to influence the scientific debate to cast doubt on the hazards of sugar and to promote dietary fat as the culprit in heart disease.

Nitrate supplementation in conjunction with Sprint Interval Training in low oxygen conditions could enhance sport performance a study has found. Nitrate is commonly found in diets rich in leafy green foods, like spinach and is important for the functioning of the human body, especially during…

Important mechanisms involved in the formation of neural circuits in the brain have now been revealed by a research team. This group also discovered that delta-9-tetrahydrocannabinol (THC), a psychoactive substance also found in cannabis, causes disruption of neural circuits within the cortex.…

A risk calculation has been conducted on the influence of the temporary suspension of cervical cancer vaccination based on vaccination rates for female Japanese born between 1993 and 2008. They clarified that the risk of HPV infection varies considerably depending on the birth year. The findings…

If Canadian parents are going to get their kids to exercise more, they need more than just public awareness campaigns. Parents exposed to one such national campaign were actually less confident they could increase their children's activity levels, according to a recent study.

Maintaining a positive social image is an essential feature of human psychology, as it fosters collaborative group behavior more efficiently than other motivations, researchers confirm.

The combined use of fluorescence in situ hybridization (FISH) and immunohistochemistry (IHC) identified non-small cell lung cancer (NSCLC) patients with rare or novel anaplastic lymphoma kinase (ALK) gene rearrangements, not otherwise identified by FISH alone, that showed response to crizotinib…

One in five adolescents who have undergone obesity surgery experience poor mental health, research shows. Some have even had suicidal thoughts. This study is based on follow-up studies of 88 adolescents who have undergone obesity surgery.

Every day, millions of people -- including senators, doctors, and teachers -- make consequential decisions that depend on predicting how other people will feel when they experience gains or setbacks. New research looking at events ranging from college football games to US elections shows that our…

A new analysis of 100 million Medicare records from US adults aged 65 and older reveals rising healthcare costs for infections associated with some disease-causing bacteria, such as Legionella, which can live inside drinking water distribution systems and household plumbing.

Pregnant women with bipolar disorder and their families and physicians should be aware of a significantly higher risk for developing postpartum psychosis, according to a new review of literature on the disorder.

A protein that may be an unexplored target to develop new cancer therapies has been identified by researchers. The protein, known as kinase suppressor of Ras, or KSR, is a pseudoenzyme that plays a critical role in the transmission of signals in the cell determining whether cells grow, divide, or…

For patients with advanced lung cancer, a non-invasive liquid biopsy may be a more effective and suitable alternative to the gold standard tissue biopsy to detect clinically relevant mutations and help guide their course of treatment, say investigators.

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