ScienceDaily: Health & Medicine News

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• Nutrition during first 1,000 days of life crucial for childhood and economic development
• A 20-minute bout of yoga stimulates brain function immediately after
• Genetic mutation inherited from father's side linked to early puberty
• Nontoxic cancer therapy proves effective against metastatic cancer
• Over 120,000-year-old bone tumor in Neandertal specimen found
• When angry, talk: Describing emotional situations alters heart rate, cardiac output
• Neuroimaging may offer new way to diagnose bipolar disorder
• Rapid, irregular heartbeat may be linked to problems with memory and thinking
• Gut bacteria play key role in vaccination
• Scientists unexpectedly discover stress-resistant stem cells in fat tissue removed during liposuction
• More fresh air in classrooms means fewer absences
• Scientists discover how HIV kills immune cells; Findings have implications for HIV treatment
• Genetic testing of rare blood cancer reveals new mutation
• Over-produced autism gene alters synapses, affects learning and behavior in mice
• Electronic stimulation therapy for obstructive sleep apnea is safe, effective, new study suggests
• Multiple sclerosis: Phase 1 trial safely resets patients' immune systems, reduces attack on myelin protein
• Drug prevents post-traumatic stress-like symptoms in mice
• Formula-feeding linked to metabolic stress and increased risk of later disease
• Malaria's deadly grip revealed: Severe malaria breakthrough
• Targeting an aspect of Down syndrome
• Neurochemical traffic signals may open new avenues for the treatment of schizophrenia
• First dual-action compound kills cancer cells, stops them from spreading
• Strength in numbers when resisting forbidden fruit
• Cheese may prevent cavities
• Concerns about anesthesia's impact on the brain
• Scientists map the wiring of the biological clock
• Detecting lead hotspots in urban gardens requires different sampling strategies
• Metastatic breast cancer study shows success in finding new treatment
• New gene that is essential for nuclear reprogramming
• Obese mums may pass health risks on to grandchildren
• New screening technique paves the way for protein drugs from bacteria
• Nearly one-third of children with autism also have ADHD
• Neuronal regeneration and the two-part design of nerves
• Alzheimer's disease drugs linked to reduced risk of heart attacks
• Protein block stops vascular damage in diabetes
• Older adult clumsiness linked to brain changes
• Retinal vessels leak during high altitude exposure

Nutrition during first 1,000 days of life crucial for childhood and economic development Posted: 05 Jun 2013 08:07 PM PDT New research on maternal and childhood nutrition finds that over 3 million children die every year of malnutrition -— accounting for nearly half of all child deaths under 5. Along with state-of-the-art global estimates on the long-term burden of malnutrition, the series presents a new framework for prevention and treatment that considers underlying factors, such as food security, social conditions, resources, and governance.

A 20-minute bout of yoga stimulates brain function immediately after Posted: 05 Jun 2013 04:05 PM PDT Researchers report that a single, 20-minute session of Hatha yoga significantly improved participants' speed and accuracy on tests of working memory and inhibitory control, two measures of brain function associated with the ability to maintain focus and take in, retain and use new information. Participants performed significantly better immediately after the yoga practice than after moderate to vigorous aerobic exercise for the same amount of time.

Genetic mutation inherited from father's side linked to early puberty Posted: 05 Jun 2013 04:05 PM PDT Researchers have identified that a genetic mutation leads to a type of premature puberty, known as central precocious puberty.

Nontoxic cancer therapy proves effective against metastatic cancer Posted: 05 Jun 2013 04:01 PM PDT A combination of dietary and hyperbaric oxygen therapies effectively increased survival time in a mouse model of aggressive metastatic cancer, a new research team found. The study demonstrates the potential of these cost-effective, nontoxic therapies to positively contribute to current cancer treatment regimens.

Over 120,000-year-old bone tumor in Neandertal specimen found Posted: 05 Jun 2013 04:01 PM PDT The first case of a bone tumor of the ribs in a Neanderthal specimen reveals that at least one Neanderthal suffered a cancer that is common in modern-day humans, according to new research.

When angry, talk: Describing emotional situations alters heart rate, cardiac output Posted: 05 Jun 2013 04:01 PM PDT The act of describing a feeling such as anger may have a significant impact on the body's physiological response to the situation that elicits the emotion, according to new research.

Neuroimaging may offer new way to diagnose bipolar disorder Posted: 05 Jun 2013 04:00 PM PDT MRI may be an effective way to diagnose mental illnesses such as bipolar disorder, according to experts.

Rapid, irregular heartbeat may be linked to problems with memory and thinking Posted: 05 Jun 2013 03:59 PM PDT People who develop a type of irregular heartbeat common in old age called atrial fibrillation may also be more likely to develop problems with memory and thinking, according to new research.

Gut bacteria play key role in vaccination Posted: 05 Jun 2013 03:59 PM PDT The bacteria that live in the human gut may play an important role in immune response to vaccines and infection by wild-type enteric organisms, according to two recent studies.

Scientists unexpectedly discover stress-resistant stem cells in fat tissue removed during liposuction Posted: 05 Jun 2013 03:59 PM PDT Researchers have isolated a new population of primitive, stress-resistant human pluripotent stem cells easily derived from fat tissue that are able to differentiate into virtually every cell type in the human body without genetic modification.

More fresh air in classrooms means fewer absences Posted: 05 Jun 2013 11:45 AM PDT If you suspect that opening windows to let in fresh air might be good for you, a new study has confirmed your hunch. Analyzing extensive data on ventilation rates collected from more than 150 classrooms in California over two years, the researchers found that bringing classroom ventilation rates up to the state-mandated standard may reduce student absences due to illness by approximately 3.4 percent.

Scientists discover how HIV kills immune cells; Findings have implications for HIV treatment Posted: 05 Jun 2013 11:44 AM PDT Untreated HIV infection destroys a person's immune system by killing infection-fighting cells, but precisely when and how HIV wreaks this destruction has been a mystery until now. New research reveals how HIV triggers a signal telling an infected immune cell to die. This finding has implications for preserving the immune systems of HIV-infected individuals.

Genetic testing of rare blood cancer reveals new mutation Posted: 05 Jun 2013 11:44 AM PDT A recent article describes genetic testing of a rare blood cancer called atypical chronic neutrophilic leukemia that revealed a new mutation present in most patients with the disease.

Over-produced autism gene alters synapses, affects learning and behavior in mice Posted: 05 Jun 2013 11:44 AM PDT A gene linked to autism spectrum disorders that was manipulated in two lines of transgenic mice produced mature adults with irreversible deficits affecting either learning or social interaction.

Electronic stimulation therapy for obstructive sleep apnea is safe, effective, new study suggests Posted: 05 Jun 2013 11:43 AM PDT A clinical study suggests that electronic stimulation therapy reduces obstructive sleep apnea and is safe and effective. Stimulation Therapy for Apnea Reduction (STAR Trial) evaluated an implantable electronic stimulation device called Inspire Upper Airway Stimulation therapy designed to deliver mild stimulation to the hypoglossal nerve on each breathing cycle during sleep, preventing the tongue from collapsing and obstructing the airway.

Multiple sclerosis: Phase 1 trial safely resets patients' immune systems, reduces attack on myelin protein Posted: 05 Jun 2013 11:43 AM PDT A phase 1 clinical trial for the first treatment to reset the immune system of multiple sclerosis (MS) patients showed the therapy was safe and dramatically reduced patients' immune systems' reactivity to myelin by 50 to 75 percent. The therapy used billions of patients' own specially processed blood cells to create tolerance to myelin, the insulating layer that forms around nerves. In MS, the immune system attacks myelin. The approach left the normal immune system intact.

Drug prevents post-traumatic stress-like symptoms in mice Posted: 05 Jun 2013 11:39 AM PDT When injected into mice immediately following a traumatic event, a new drug prevents the animals from developing memory problems and increased anxiety that are indicative of post-traumatic stress disorder (PTSD).

Formula-feeding linked to metabolic stress and increased risk of later disease Posted: 05 Jun 2013 10:37 AM PDT New evidence from research suggests that infants fed formula, rather than breast milk, experience metabolic stress that could play a part in the long-recognized link between formula-feeding and an increased risk of obesity, type 2 diabetes and other conditions in adult life.

Malaria's deadly grip revealed: Severe malaria breakthrough Posted: 05 Jun 2013 10:35 AM PDT Researchers have identified how malaria parasites growing inside red blood cells stick to the sides of blood vessels in severe cases of malaria. The discovery may advance the development of vaccines or drugs to combat severe malaria by stopping the parasites attaching to blood vessels.

Targeting an aspect of Down syndrome Posted: 05 Jun 2013 10:29 AM PDT Researchers have determined how a gene that is known to be defective in Down syndrome is regulated and how its dysregulation may lead to neurological defects, providing insights into potential therapeutic approaches to an aspect of the syndrome.

Neurochemical traffic signals may open new avenues for the treatment of schizophrenia Posted: 05 Jun 2013 10:02 AM PDT Researchers have uncovered important clues about a biochemical pathway in the brain that may one day expand treatment options for schizophrenia.

First dual-action compound kills cancer cells, stops them from spreading Posted: 05 Jun 2013 10:02 AM PDT Scientists are reporting development and successful lab tests on the first potential drug to pack a lethal one-two punch against melanoma skin cancer cells. Hit number one destroys cells in the main tumor, and the second hit blocks the spread of the cancer to other sites in the body, according to their report.

Strength in numbers when resisting forbidden fruit Posted: 05 Jun 2013 10:01 AM PDT A new study from the University of British Columbia helps explain how people become obsessed with forbidden pleasures.

Cheese may prevent cavities Posted: 05 Jun 2013 10:01 AM PDT Consuming dairy products is vital to maintaining good overall health, and it's especially important to bone health. But there has been little research about how dairy products affect oral health in particular. However, according to a new study, consuming cheese and other dairy products may help protect teeth against cavities.

Concerns about anesthesia's impact on the brain Posted: 05 Jun 2013 10:01 AM PDT As pediatric specialists become increasingly aware that surgical anesthesia may have lasting effects on the developing brains of young children, new research suggests the threat may also apply to adult brains. Researchers report that testing in laboratory mice shows anesthesia's neurotoxic effects depend on the age of brain neurons -- not the age of the animal undergoing anesthesia, as once thought.

Scientists map the wiring of the biological clock Posted: 05 Jun 2013 10:01 AM PDT Biologists have discovered a crucial part of the biological clock: the wiring that sets its accuracy to within a few minutes out of the 1440 minutes per day. This wiring uses the neurotransmitter, GABA, to connect the individual cells of the biological clock in a fast network that changes strength with time of day.

Detecting lead hotspots in urban gardens requires different sampling strategies Posted: 05 Jun 2013 10:00 AM PDT Analyzing soil lead in an urban garden plot is important and sampling approaches may involve tradeoffs between finding 'hotspots' versus looking at the average amount of lead when checking for safe levels.

Metastatic breast cancer study shows success in finding new treatment Posted: 05 Jun 2013 08:15 AM PDT A new study shows success in pinpointing individualized treatment for women with metastatic breast cancer.

New gene that is essential for nuclear reprogramming Posted: 05 Jun 2013 08:15 AM PDT Researchers are still fascinated by the idea of reprogramming the cells of any tissue, turning them into cells with the capacity to differentiate into cells of a completely different type -- pluripotent cells -- and they are still striving to understand how it happens. Now, researchers in Spain discovered a new gene called TRF1 that is essential for nuclear reprogramming.

Obese mums may pass health risks on to grandchildren Posted: 05 Jun 2013 07:44 AM PDT Health problems linked to obesity -- like heart disease and diabetes -- could skip an entire generation, a new study suggests.

New screening technique paves the way for protein drugs from bacteria Posted: 05 Jun 2013 07:44 AM PDT A cheaper, more efficient technique for developing complex protein drugs from bacteria has been developed.

Nearly one-third of children with autism also have ADHD Posted: 05 Jun 2013 07:39 AM PDT Researchers have found that children with co-occurrence of autism spectrum disorder and attention deficit hyperactivity disorders face greater impairments.

Neuronal regeneration and the two-part design of nerves Posted: 05 Jun 2013 06:07 AM PDT Researchers have evidence that a single gene controls both halves of nerve cells, and their research demonstrates the need to consider that design in the development of new treatments for regeneration of nerve cells.

Alzheimer's disease drugs linked to reduced risk of heart attacks Posted: 05 Jun 2013 06:02 AM PDT Drugs that are used for treating Alzheimer's disease in its early stages are linked to a reduced risk of heart attacks and death, according to a large study of over 7,000 people with Alzheimer's disease in Sweden.

Protein block stops vascular damage in diabetes Posted: 05 Jun 2013 06:01 AM PDT Researchers have discovered how to stop the destructive process that leads to cardiovascular disease in diabetic laboratory animals.

Older adult clumsiness linked to brain changes Posted: 05 Jun 2013 05:59 AM PDT For many older adults, the aging process seems to go hand-in-hand with an annoying increase in clumsiness. New research suggests some of these reaching-and-grasping difficulties may be caused by changes in the mental frame of reference that older adults use to visualize nearby objects.

Retinal vessels leak during high altitude exposure Posted: 05 Jun 2013 05:59 AM PDT Exposure to high altitude can cause acute mountain sickness (AMS) and, in severe cases, cerebral or pulmonary edema. Capillary leakage has been hypothesized to play a role in the pathogenesis of AMS, although the mechanism of altitude-related illnesses remains largely unknown.

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