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International Team Uncovers New Genes That Shape Brain Size, Intelligence

By Guest PostApril 16, 2012Scienceadenine, alzheimer's disease, arthur toga, australia, bad gene, barbara franke, bigger brain, bipolar disorder, brain size, brain study, centers, cytosine, dementia, depression, derrek hibar, disorder, DNA, Europe, gene, genetic variant, geneticist, guanine, hmga2, human gene, intelligence, iq test, jason stein, margaret wright, memory, mental illnesses, neda jahanshad, nick martin, North America, paul thompson, project enigma, rita cantor, rudy senstad, schizophrenia, thymine

*UCLA-launched partnership identifies genes that boost or lessen risk of brain atrophy, mental illness, Alzheimer’s disease*

In the world’s largest brain study to date, a team of more than 200 scientists from 100 institutions worldwide collaborated to map the human genes that boost or sabotage the brain’s resistance to a variety of mental illnesses and Alzheimer’s disease.

Published April 15 in the advance online edition of the journal Nature Genetics, the study also uncovers new genes that may explain individual differences in brain size and intelligence. (more…)

Hyperactivity in Brain May Explain Multiple Symptoms of Depression

By Guest PostFebruary 28, 2012Health, Scienceabnormal patterns, abnormal rhythms, aimee m hunter, andrew leuchter, brain chemistry, brain dysfunction, brain networks, brain regions, brain waves, chaochao cai, connection, depressed brain, depression, electrical activity, electrical signal, function, ian a cook, lilly research laboratories, major depressive disorder, mark wheeler, mdd, pfizer pharmaceuticals, steve horvath, symptoms, synchronization, ucla

*Electrical signals can’t shut off, suggest UCLA researchers*

Most of us know what it means when it’s said that someone is depressed. But commonly, true clinical depression brings with it a number of other symptoms. These can include anxiety, poor attention and concentration, memory issues, and sleep disturbances.

Traditionally, depression researchers have sought to identify the individual brain areas responsible for causing these symptoms. But the combination of so many symptoms suggested to UCLA researchers that the multiple symptoms of depression may be linked to a malfunction involving brain networks — the connections that link different brain regions. (more…)

MU Studies Link Depression and Breast Cancer Outcomes

By Guest PostNovember 7, 2011Healthbattle with cancer, breast cancer, breast cancer survivors, depression

COLUMBIA, Mo. – This year, more than 230,000 women will be diagnosed with breast cancer and nearly 40,000 women will not survive their battle with cancer, according to the American Cancer Society. New research from the University of Missouri shows that certain factors, including marital status, having children in the home, income level and age, affect the likelihood of depression in breast cancer survivors. Further, depressed patients are less likely to adhere to medication regimens, potentially complicating the progress of their treatment. (more…)

Stress Higher in Children With Depressed Parents

By Guest PostMarch 20, 20111 commentHealthanger, annoyance, child, children, chronic depression, cortisol, critical comments, daniel klein, depressed parents, depression, early temperament, frustration, lea dougherty, parents, risk factor for depression, risk for depression, saliva sample, stress hormone, suzanne rose

Children with depressed parents get stressed out more easily than children with healthy parents—if the depressed parents are negative toward their child. That’s the conclusion of a study published in an upcoming issue of Psychological Science, a journal of the Association for Psychological Science.

The study is part of a long-term look at how a child’s early temperament is related to the risk for depression. The children were recruited for the study when they were three years old, an age when depression is rare. Thus, the researchers expect to see depression appear as the children grow. (more…)

Energy Drinks: To Drink or Not to Drink?

By PravdaJanuary 19, 2011Culture, Healthalcohol, asia, blood, caffeine, carbohydrates, carbonated, coffee, denmark, depression, dietrich matesic, diuretic effect, energy drinks, france, glucose, glucuronolactone, heart diseases, high blood pressure, high sugar levels, hong kong, hypertension, hypertensive crisis, increased anxiety, ingredients, mental activity, miracle drink, nervous breakdown, nervous system, norway, overdoses, oxidative processes, psychomotor agitation, red bull, stimulant, stimulate, tachycardia, taurine, tea, vitamins, vodka, workaholics

Energy drinks are a recent invention of mankind, even though their ingredients have long been used to stimulate the nervous system. They have become the salvation for students during the exams and office workers that have to meet the deadlines. Yet, are these products as good as they seem? (more…)

MSU Leads First Study of Resiliency on the Battlefield

By Guest PostJanuary 5, 20111 commentGeneralanxiety, army troops, combat operations, combat zone study, depression, everett spain, health problems, Iraq, john schaubroeck, positive outlook, post traumatic stress disorder, psychological effects, psychologically resilient, resiliency, soldiers, stress, symptoms, traumatic situation

EAST LANSING, Mich. — In the first combat-zone study of its kind, a research team led by Michigan State University found that soldiers with a positive outlook in the most traumatic situations were less likely to suffer health problems such as anxiety and depression.

The study, which surveyed Army troops fighting in Iraq, could have implications for police officers, firefighters and others who regularly deal with traumatic events such as death. Training these first-responders to think in less catastrophic terms could help them better cope with distressing events and function more effectively in the long term, said MSU’s John Schaubroeck, lead researcher on the project. (more…)

Low Education, Income Levels Linked to Depression Among Urban Black Fathers

By Guest PostNovember 25, 2010Cultureanxiety, black fathers, black men, depression, economic conditions, fragile families, marilyn sinkewicz, mental health, rufina lee, substance

ANN ARBOR, Mich.— A new University of Michigan study finds that black fathers are 50 percent more likely to be depressed than men in the general population. One quarter of black fathers were depressed at some time over the five-year course of the study.

Additionally, black fathers with lower levels of education and income have elevated rates of depression. Depression is twice as prevalent among those without a high school education. (more…)

Depression Linked to Altered Activity of Circadian Rhythm Gene

By Guest PostNovember 12, 2010Health, Sciencebehavioral cycle, circadian rhythm, clock gene, dementia, depression, humans, insomnia symptoms, james connors, jean philippe gouin, messenger rna, molecular level, mrna

COLUMBUS, Ohio – Depression appears to be associated with a molecular-level disturbance in the body’s 24-hour clock, new research suggests.

Scientists examined genes that regulate circadian rhythm in people with and without a history of depression. As a group, those with a history of depression had a higher level of activity of the so-called Clock gene, which has a role in regulating circadian rhythm, than did people with no mood disorders.

Higher expression levels of this gene suggest something is amiss in the body’s 24-hour biological and behavioral cycle, which could affect sleep patterns and other physiological functions governed by circadian rhythm. Sleep disturbance is a common symptom of depression. (more…)

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