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Scientists identify key component in lethal lung cancer complication

A protein previously thought not to exist in adult human lungs not only is present in normal and cancerous lung tissue, scientists have found, but it also has a major role in the development of a...

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Hormone levels may provide key to understanding psychological disorders in women

Women at a particular stage in their monthly menstrual cycle may be more vulnerable to some of the psychological side-effects associated with stressful experiences, according to a study from UCL.

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Scientists uncover why the human heart can't regenerate itself

Stem cell researchers at UCLA have uncovered for the first time why adult human cardiac myocytes have lost their ability to proliferate, perhaps explaining why the human heart has little regenerative...

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Failure of brain's clock could play role in causing neuropsychiatric disorders

(Medical Xpress) -- Neuropsychiatric disorders are the second largest cause of morbidity and premature mortality worldwide. The scientific community has widely accepted that people who battle...

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Females may be more susceptible to infection during ovulation

A new research report in the Journal of Leukocyte Biology suggests that a woman's ovarian cycle plays an important role in her susceptibility to infection. Specifically, researchers from Spain and...

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Short fasting cycles work as well as chemotherapy in mice

Man may not live by bread alone, but cancer in animals appears less resilient, judging by a study that found chemotherapy drugs work better when combined with cycles of short, severe fasting.

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Too little sleep, disrupted internal clock means higher risk of diabetes and...

A study by researchers at Brigham and Women's Hospital (BWH) reinforces the finding that too little sleep or sleep patterns that are inconsistent with our body's "internal biological clock" may lead to...

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Sundown syndrome-like symptoms in fruit flies may be due to high dopamine levels

Perelman School of Medicine at the University of Pennsylvania researchers have discovered a mechanism involving the neurotransmitter dopamine that switches fruit fly behavior from being active during...

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Early menopause in mice: A model of human POI

(Medical Xpress)—Scientists have established a genetic mouse model for primary ovarian insufficiency (POI), a human condition in which women experience irregular menstrual cycles and reduced fertility,...

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Nerve and muscle activity vary across menstrual cycle: May help explain...

Numerous studies have shown that female athletes are more likely to get knee injuries, especially anterior cruciate ligament (ACL) tears and chronic pain, than their male counterparts. While previous...

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Probing sleep's drowsy mystery: Researchers stay up nights trying to...

It is one of the ironies of sleep research that scientists stay up all night to do it.

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Malaria study suggests drugs should target female parasites

Fresh insight into the parasite that causes malaria suggests a new way to develop drugs and vaccines to tackle the disease.

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Scientists pinpoint molecular signals that make some women prone to miscarriage

(Medical Xpress)—Scientists have identified molecular signals that control whether embryos are accepted by the womb, and that appear to function abnormally in women who have suffered repeated...

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Neurotransmitter serotonin shown to link sleep–wake cycles with the body's...

Almost all animals have a hard-wired 'body-clock' that controls biological function in cycles of approximately 24 hours. This is known as the circadian rhythm and, in mammals, it is controlled by...

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Breakthrough in neuroscience could help re-wire appetite control

(Medical Xpress)—Researchers at the University of East Anglia (UEA) have made a discovery in neuroscience that could offer a long-lasting solution to eating disorders such as obesity.

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New studies examine caffeine's effect on cognitive tasks, food pairing

Since 1977, there has been a 70% increase in caffeine consumption among children and adolescents. Whether it is coffee, tea, soda, or energy drinks, our children are consuming more of it. One well...

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Wip1 could be new target for cancer treatment

Researchers have uncovered mutations in the phosphatase Wip1 that enable cancer cells to foil the tumor suppressor p53, according to a study in The Journal of Cell Biology. The results could provide a...

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Vicious cycle: Obesity sustained by changes in brain biochemistry

With obesity reaching epidemic levels in some parts of the world, scientists have only begun to understand why it is such a persistent condition. A study in the Journal of Biological Chemistry adds...

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Women's reproductive ability may be related to immune system status

New research indicates that women's reproductive function may be tied to their immune status. Previous studies have found this association in human males, but not females.

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Critical pathway in cell cycle may lead to cancer development

A team of scientists at the Salk Institute for Biological Studies has identified why disruption of a vital pathway in cell cycle control leads to the proliferation of cancer cells. Their findings on...

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Bad sleep around full moon is no longer a myth

Many people complain about poor sleep around full moon. Scientists at the University of Basel in Switzerland now report evidence that lunar cycles and human sleep behavior are in fact connected. The...

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Researchers advance understanding of schistosome reproduction

Ancient Egyptian mummies revealed that humans have been hosting parasitic flatworms called schistosomes for more than 5,000 years. Today the parasites continue to plague millions of people across the...

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Immune cells open window to breast cancer risk

University of Adelaide researchers have made a major discovery that highlights the important role played by immune cells in the risk of developing breast cancer.

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A new way to slow cancer cell growth

Cancer is an extremely complex disease, but its definition is quite simple: the abnormal and uncontrollable growth of cells. Researchers from the University of Rochester's Center for RNA Biology have...

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