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Health

Short walk once-a-week can lower risk of death: study

A brisk stroll once or twice a week is enough to reduce the risk of dying from heart attack, stroke or cancer, according to a statistical study of nearly 90,000 people released Tuesday.

Psychology & Psychiatry

Inflammation links heart disease and depression, study finds

People with heart disease are more likely to suffer from depression, and the opposite is also true. Now, scientists at the University of Cambridge believe they have identified a link between these two conditions: inflammation—the ...

Neuroscience

New research identifies potential PTSD treatment improvement

Researchers may have found a way to improve a common treatment for post-traumatic stress disorder (PTSD) by changing how the brain learns to respond less severely to fearful conditions, according to research published in ...

Neuroscience

Brain research reveals a circuit for cocaine relapse

Approximately 1.5 million Americans use cocaine in a given year, according to the National Institute on Drug Abuse. Many are repeat users. Unfortunately, there are currently no FDA-approved medicinal treatments for cocaine ...

Inflammatory disorders

'Inflamm-aging' causes loss of bone healing ability in the elderly

Increases in chronic inflammation—not the passage of time—is the main reason why injured bones do not heal as well with age. This is the finding of a study in mice and humans published March 18 in the Proceedings of the ...

Cancer

Team finds key to common cancer pathway

Scientists have long known that the protein p53, when mutated, is a critical factor in the onset of many different kinds of cancer. In its unmutated form, however, it is known to protect against cancer.

Immunology

Meningitis changes immune cell makeup in the mouse brain lining

Meningitis, a group of serious diseases which infect the brain's lining, leaves its mark and can affect the body's ability to fight such infections in the future. According to a new study published in Nature Immunology, infections ...

Immunology

New proof that narcolepsy is an autoimmune disease

Researchers from the University of Copenhagen have discovered autoreactive cells in persons suffering from narcolepsy. This is a new, important proof that the sleep disorder is an autoimmune disease. This knowledge may lead ...

Immunology

Protective antibodies also found in premature babies

Even premature babies carry anti-viral antibodies transferred from the mother, researchers at Karolinska Institutet in Sweden report in a paper on maternal antibodies in newborns, published in the journal Nature Medicine. ...

Diseases, Conditions, Syndromes

Are there Zika reservoirs in the Americas?

Most emerging infectious diseases affecting people are zoonotic—they make the jump from other animals to humans. Transmission, however, is a two-way street. These zoonotic diseases can also jump from humans to other animals. ...

Medical research

Oscillation in muscle tissue

When a muscle grows or a muscle injury heals, some stem cells develop into new muscle cells. A research team at the MDC led by Carmen Birchmeier has now described in the journal Genes & Development how this process is regulated ...

Psychology & Psychiatry

Breastfeeding can erase effects of prenatal violence for newborns

How infants adjust in their first months of life depends on many factors, including what their mothers experienced while they are in utero. According to the Centers for Disease Control and Prevention (CDC), 1 in 4 women in ...

Cancer

The story of GARP: a potential target for cancer immunotherapy

Colorectal cancer is the third leading cause of cancer-related deaths in both men and women. Despite significant advances in therapies for this particular cancer, the five-year survival rate is 12 percent, according to the ...

Neuroscience

Common treatment for multiple sclerosis may prolong life

Researchers from the University of British Columbia and Vancouver Coastal Health Research Institute have found that a widely prescribed drug for multiple sclerosis (MS) is associated with longer survival for patients.