ScienceDaily: Health & Medicine News

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• Detecting diabetes in a saliva sample with a smart phone
• Heat-activated ‘grenade’ to target cancer
• Sleep interruptions worse for mood than overall reduced amount of sleep, study finds
• Forget counting sheep - therapy could help chronic pain sufferers get a good night’s sleep
• Tumor RNA in platelets may diagnose and classify cancer, identify treatment strategies
• A Prkci gene keeps stem cells in check
• New computational strategy finds brain tumor-shrinking molecules
• Study blocks ebola virus budding by regulating calcium signaling
• Divorce rate doesn't go up as families of children with disabilities grow
• New technique could prevent biofilms on catheters and medical implants
• World’s first lab-in-a-briefcase
• Allergy is the price we pay for our immunity to parasites
• Long-term aerobic exercise prevents age-related brain changes
• Towards a safe and efficient SARS-coronavirus vaccine: Mechanism and prevention of genetic instability of a live attenuated virus
• Potential security hole in genomic data sharing network identified

Detecting diabetes in a saliva sample with a smart phone Posted: 31 Oct 2015 05:35 AM PDT A new device provides immediate results and will be used for diagnosis of diabetes within low-income populations.

Heat-activated ‘grenade’ to target cancer Posted: 30 Oct 2015 07:06 PM PDT Researchers have developed cancer drug-packed 'grenades' armed with heat sensitive triggers, allowing for treatment to be targeted directly at tumors, according to two new studies.

Sleep interruptions worse for mood than overall reduced amount of sleep, study finds Posted: 30 Oct 2015 07:05 PM PDT A new study suggests that awakening several times throughout the night is more detrimental to people's positive moods than getting the same shortened amount of sleep without interruption.

Forget counting sheep - therapy could help chronic pain sufferers get a good night’s sleep Posted: 30 Oct 2015 01:14 PM PDT Research indicates that chronic pain sufferers could benefit from therapy to help them sleep better.

Tumor RNA in platelets may diagnose and classify cancer, identify treatment strategies Posted: 30 Oct 2015 01:13 PM PDT Analysis of tumor RNA carried in platelets - blood components best known for their role in clotting -- may prove to be more useful than other 'liquid biopsy' technologies for diagnosing cancer and determining its primary location and potential therapeutic approaches.

A Prkci gene keeps stem cells in check Posted: 30 Oct 2015 01:13 PM PDT When it comes to stem cells, too much of a good thing isn't wonderful: producing too many new stem cells may lead to cancer; producing too few inhibits the repair and maintenance of the body. Medical researchers now describe a key gene in maintaining this critical balance between producing too many and too few stem cells.

New computational strategy finds brain tumor-shrinking molecules Posted: 30 Oct 2015 01:13 PM PDT Patients with glioblastoma, a type of malignant brain tumor, usually survive fewer than 15 months following diagnosis. Since there are no effective treatments for the deadly disease, researchers developed a new computational strategy to search for molecules that could be developed into glioblastoma drugs. In mouse models of human glioblastoma, one molecule they found shrank the average tumor size by half.

Study blocks ebola virus budding by regulating calcium signaling Posted: 30 Oct 2015 12:31 PM PDT A new study showed that blocking a calcium-signaling pathway could inhibit not only the Ebola virus, but also Marburg, Lassa and Junin viruses, all sources of deadly infections.

Divorce rate doesn't go up as families of children with disabilities grow Posted: 30 Oct 2015 12:31 PM PDT Couples raising a child with developmental disabilities do not face a higher risk of divorce if they have larger families, according to a new stud.

New technique could prevent biofilms on catheters and medical implants Posted: 30 Oct 2015 12:31 PM PDT Biofilms -- mats of bacteria similar to the plaque that grows on teeth -- frequently coat the surfaces of catheters, and of various medical implants and prostheses, where they can threaten lives or lead to failure of the implants. Antibiotics are impotent against biofilms. Now scientists show that coating implants with 'tissue plasminogen activator' can prevent Staphylococcus aureus, the leading cause of hospital-acquired infections, from forming biofilms.

World’s first lab-in-a-briefcase Posted: 30 Oct 2015 08:14 AM PDT Academics hope to boost early detection rates of cancer in developing countries with their portable lab-in-a-briefcase that can operate even at high temperatures.

Allergy is the price we pay for our immunity to parasites Posted: 29 Oct 2015 12:03 PM PDT New findings help demonstrate the evolutionary basis for allergy. Molecular similarities in food and environmental proteins that cause allergy (such as pollen), and multicellular parasites (such as parasitic worms), have been identified systematically for the first time.

Long-term aerobic exercise prevents age-related brain changes Posted: 29 Oct 2015 12:03 PM PDT A study of the brains of mice shows that structural deterioration associated with old age can be prevented by long-term aerobic exercise starting in mid-life, according to new research. Structural changes that make the blood-brain barrier leaky and result in inflammation of brain tissues in old mice can be mitigated by allowing the animals to run regularly, providing a potential explanation for the beneficial effects of exercise on dementia in humans.

Towards a safe and efficient SARS-coronavirus vaccine: Mechanism and prevention of genetic instability of a live attenuated virus Posted: 29 Oct 2015 12:02 PM PDT Live attenuated (weakened) viral vaccines are considered safe so long as their 'reversal' to a virulent (or disease-causing) virus is prevented. A new study reports on how to rationally modify an effective live attenuated SARS vaccine to make it genetically stable.

Potential security hole in genomic data sharing network identified Posted: 29 Oct 2015 10:41 AM PDT Sharing genomic information among researchers is critical to the advance of biomedical research. Yet genomic data contains identifiable information and, in the wrong hands, poses a risk to individual privacy. Hackers with access to a person's genome might find out if that genome is in an international network of disease databases.

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