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Sunday, November 9, 2014

ScienceDaily: Top Health News

ScienceDaily: Top Health News

Time spent preparing meals at home linked to healthier diet

Posted: 07 Nov 2014 10:49 AM PST

Spending less than one hour a day preparing food at home is associated with eating more fast food and spending more money eating out, finds new research. Not having time available may be one of the most significant barriers to achieving a healthy diet.

Reprogrammed cells grow into new blood vessels

Posted: 07 Nov 2014 10:16 AM PST

By transforming human scar cells into blood vessel cells, scientists may have discovered a new way to repair damaged tissue. The method appeared to improve blood flow, oxygenation, and nutrition to areas in need.

Brain's response to threat silenced when we are reminded of being loved and cared for

Posted: 07 Nov 2014 08:10 AM PST

Being shown pictures of others being loved and cared for reduces the brain's response to threat, new research has found. The study discovered that when individuals are briefly presented pictures of others receiving emotional support and affection, the brain's threat monitor, the amygdala, subsequently does not respond to images showing threatening facial expressions or words. This occurred even if the person was not paying attention to the content of the first pictures.

Ebola in Democratic Republic of the Congo: A new strain of the virus

Posted: 07 Nov 2014 08:10 AM PST

While an Ebola epidemic has been raging in West Africa since March 2014, an outbreak of this hemorrhagic fever occurred in the Democratic Republic of the Congo (DRC) in August, leaving fears over the virus' spread to Central Africa.  A new study confirms that it is an Ebola epidemic. However, this particular epidemic is due to a local strain of the virus, different from the one rife in the West of the continent. While this result shows the two epidemics are not linked, it illustrates the speed at which the disease has emerged. It is therefore urgent that we understand just how the disease is spread.

Liberals are more emotion-driven than conservatives

Posted: 07 Nov 2014 06:15 AM PST

Researchers have studied the interaction between emotion and political ideology, showing that the motivating power of emotions is not the same for those on different ends of the ideological spectrum.

Patients with ALS have difficulty with verbs: Why?

Posted: 07 Nov 2014 06:15 AM PST

According to many scientists the fact that ALS patients experience (in addition to severe motor deficits) greater linguistic difficulty with verbs denoting action compared to nouns denoting objects depends on their motor deficit. The idea is that the motor system plays a role in the semantic encoding of these words. A new study has tested this hypothesis and suggests a major role for the "executive function".

Asthma vs. COPD: Similar symptoms, different causes and treatment

Posted: 07 Nov 2014 06:13 AM PST

As many as 50 percent of older adults with obstructive airway disease have overlapping characteristics of asthma and COPD. And this percentage increases as people get older.

Mouse infestations cause more asthma symptoms than cockroach exposure

Posted: 07 Nov 2014 06:12 AM PST

Past research has been inconsistent in determining the relative effects of mouse droppings vs. cockroach exposure on asthma in children. According to a new study, mice infestation is a stronger predictor of asthma symptoms in young children than exposure to cockroaches.

Emergency supplies of epinephrine in schools save lives

Posted: 07 Nov 2014 06:12 AM PST

According to a new study, stock epinephrine was used on 38 children and adults in Chicago Public Schools (CPS) during the 2012-13 school year for severe anaphylactic emergencies. According to the study, CPS was the first large urban school district in the United States to develop and implement a comprehensive stock epinephrine policy in accordance with state guidelines.

Does father really know best? Maybe not when it comes to controlling asthma

Posted: 07 Nov 2014 06:12 AM PST

According to a new study, teens and caregivers have different levels of asthma health literacy, and teens don't necessarily get their information from caregivers when it comes to managing asthma symptoms.

Best treatments for allergic conditions? Some doctors don’t even know

Posted: 07 Nov 2014 06:12 AM PST

People who suffer from allergies want to keep up-to-date on the latest information regarding treatment, but it's not always easy. Some doctors don't even know fact from fiction when it comes to treating allergies.

You might be allergic to penicillin; then again, you might not

Posted: 07 Nov 2014 06:12 AM PST

Many people have been told, incorrectly, that they're allergic to penicillin, but have not had allergy testing. These people are often given alternative antibiotics prior to surgery to ward off infection. But when antibiotic choices are limited due to resistance, treatment alternatives may be more toxic, more expensive and less effective.

Sense of meaning and purpose in life linked to longer lifespan

Posted: 06 Nov 2014 06:16 PM PST

A study of 9,050 English people with an average age of 65 found that the people with the greatest well-being were 30 percent less likely to die during the average eight and a half year follow-up period than those with the least well-being.

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