الأربعاء، 11 ديسمبر 2013

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


Police activities in Thailand may lead to riskier behaviors in people who inject drugs

Posted: 10 Dec 2013 02:25 PM PST

Recent increasing police activities focused on people who inject drugs in Thailand have involved reported injustices that may lead to riskier behaviors in people who inject drugs, according to a new study.

Long-term use of common heartburn and ulcer medications linked to vitamin B12 deficiency

Posted: 10 Dec 2013 01:36 PM PST

Long-term use of commonly prescribed heartburn and ulcer medications is linked to a higher risk of vitamin B12 deficiency, according to a new study.

New compound dramatically reduces joint inflammation

Posted: 10 Dec 2013 12:25 PM PST

An experimental compound is capable of significantly reducing joint inflammation in animal models of rheumatoid arthritis.

Story of how a severed arm was reattached

Posted: 10 Dec 2013 12:25 PM PST

Strangers often stop to ask Bob Seeman why he wears a padded glove on his left hand. So he hands out a card with a link to a YouTube video, which tells the extraordinary story of how Seeman's left arm was reattached after it was nearly completely severed in a tow truck accident.

Motivating women to forget the message: When do breast cancer ads backfire?

Posted: 10 Dec 2013 09:07 AM PST

After a traumatic experience, the details we remember surrounding the event are sometimes foggy. According to a new study, consumers remember the least when they feel the most threatened.

Exercise alleviates sexual side-effects of antidepressants in women

Posted: 10 Dec 2013 09:07 AM PST

Exercise can benefit health and improve mood, and now new research shows that it has the potential to restore sexual desire and function in women adversely affected by sexual side effects related to antidepressant use.

Why reading your horoscope on diet days might be a bad idea

Posted: 10 Dec 2013 08:34 AM PST

Most major newspapers publish daily horoscopes, and for good reason — even when we deny being superstitious, human nature drives us to believe in our own fate. According to a new study published, consumers who believe their fate can change are more likely to exhibit impulsive or indulgent behavior after reading a negative horoscope.

You are what your father eats: Father's diet before conception plays crucial role in offspring's health, study suggests

Posted: 10 Dec 2013 08:33 AM PST

Mothers get all the attention. But a study suggests that the father's diet before conception may play an equally important role in the health of their offspring. It also raises concerns about the long-term effects of current Western diets and of food insecurity.

Increased attention needed for cancer risk from silica

Posted: 10 Dec 2013 07:20 AM PST

A new review highlights new developments in understanding the health effects of silica, and calls for action to reduce illness and death from silica exposure at work.

Right amount of fat, protein, key to babies

Posted: 10 Dec 2013 04:20 AM PST

The early childhood diet and that of the mother during pregnancy determines the health of a child later life. One researcher hopes to drastically improve the health of future generations by giving nutritional advice to pregnant women and young mothers.

Music brings memories back to the injured brain

Posted: 10 Dec 2013 04:20 AM PST

In the first study of its kind, two researchers have used popular music to help severely brain-injured patients recall personal memories.

Call for action on cutting sugar

Posted: 09 Dec 2013 05:40 PM PST

A study by researchers into the effects of sugars on our oral health recommends cutting down on the sweet additive as part of a global initiative to reduce tooth decay.Since 1990 the World Health Organization (WHO) has recommended that intake of "free sugars" should be less than 10% of total energy (calorie) intake. Free sugars are sugars that are added to foods by the manufacturer, cook, or consumer; plus those naturally present in honey, syrups, fruit juices and fruit concentrates.

35 year study finds exercise reduces risk of dementia

Posted: 09 Dec 2013 03:10 PM PST

A study that monitored the health habits of 2,235 men over a 35-year period has confirmed exercise significantly reduces the risk of dementia. Published today, the study is the longest of its kind to probe the influence of environmental factors in chronic disease.

Study suggests overdiagnosis in screening for lung cancer with low-dose CT

Posted: 09 Dec 2013 01:07 PM PST

More than 18 percent of all lung cancers detected by low-dose computed tomography (LDCT) appeared to represent an overdiagnosis, according to a study published.

Cardiovascular complications, hypoglycemia common in older patients with diabetes

Posted: 09 Dec 2013 01:07 PM PST

Cardiovascular complications and hypoglycemia (low blood sugar) were common nonfatal complications in adults 60 years of age and older with diabetes, a recent study found.

Study examines drug labeling, exposure in infants

Posted: 09 Dec 2013 01:07 PM PST

Federal legislation encouraging the study of drugs in pediatric patients has resulted in very few labeling changes that include new infant information, according to a study.

Ultrasound microscopy: Aid for surgeons to make the invisible, visible

Posted: 09 Dec 2013 01:03 PM PST

Instead of waiting an hour or more, tissue can be tested almost immediately with a new ultrasound microscope, and because the reflected sound varies depending on the type of cancer, a doctor can interpret the type of disease from the image by comparing it to a reference material.

Home testing devices could monitor epilepsy, drug levels, reduce clinical visits

Posted: 09 Dec 2013 11:32 AM PST

Medications remain the mainstay of epilepsy treatment, and to date there are no FDA-approved devices that provide an accurate means of detection for generalized tonic-clonic seizures (GTCS), or convulsions, during activities of daily living. Two new studies provide data that warrants the development of non-invasive devices with the capability to signal the onset of an epileptic seizure and could be crucial to optimal patient dosing.

Marketing loans for fertility treatments raises ethical concerns

Posted: 09 Dec 2013 10:25 AM PST

An increase in the number of lenders specializing in loans for fertility treatments enables more people to afford the treatments, but it also raises ethical concerns. Among the concerns, doctors are marketing the loans to their patients, and some of these doctors have financial ties to specific lenders. The commentary calls for assessment and oversight of the practice.

Study shows exercise improves depression in Parkinson's patients

Posted: 09 Dec 2013 10:24 AM PST

A new study by a movement disorder neurologist found that depression improved among patients with Parkinson's disease who participated in a long-term group exercise program.

Penicillin equally effective as 'big gun' antibiotics for treating childhood pneumonia

Posted: 09 Dec 2013 09:20 AM PST

Children hospitalized for pneumonia have similar outcomes, including length of stay and costs, regardless of whether they are treated with "big gun" antibiotics such as ceftriaxone or cefotaxime or more narrowly focused antibiotics such as ampicillin or penicillin, according to a study.

New study clarifies concerns regarding commonly used anti-nausea drug

Posted: 09 Dec 2013 07:54 AM PST

For the past two years, warnings regarding the possible link between a commonly used anti-nausea and vomiting drug ondansetron and heart arrhythmias have been a source of uncertainty in emergency departments. New research helps to clarify the actual risk of ondansetron administration and cardiac arrhythmias in both children and adults.

From common colds to deadly lung diseases, one protein plays key role

Posted: 09 Dec 2013 07:53 AM PST

An international team of researchers has zeroed in on a protein that plays a key role in many lung-related ailments, from seasonal coughing and hacking to more serious diseases such as MRSA infections and cystic fibrosis. The finding advances knowledge about this range of illnesses and may point the way to eventually being able to prevent infections such as MRSA. The key protein is called MUC5B.

Inflammation in prostate may reduce cancer risk

Posted: 09 Dec 2013 07:52 AM PST

Doctors have discovered that increased inflammation in the prostate may predict reduced risk for prostate cancer.

Screening decisions must balance potential benefits with potential patient harm

Posted: 09 Dec 2013 07:49 AM PST

Screening to detect medical conditions has become standard practice for many diseases, but insufficient attention has been paid to the potential for harm, according to research conducted.

Breakthrough in treating leukemia, lymphoma patients with umbilical cord blood stem cells

Posted: 09 Dec 2013 07:49 AM PST

Donated umbilical cord blood contains stem cells that can save the lives of leukemia and lymphoma patients. A multi-center study has found that growing cord blood stem cells in a laboratory before transplantation significantly improves survival.

Revised clinical practice guidelines to optimize management of hepatitis C

Posted: 09 Dec 2013 06:24 AM PST

The European Association for the Study of the Liver (EASL) today publishes their revised Clinical Practice Guidelines on the management of hepatitis C virus infection (HCV). The guidelines, which supersede the previous version published in 2011, are designed to help physicians and other healthcare providers optimize their management of patients with acute and chronic HCV.

Genetic studies of breast cancer in dogs

Posted: 09 Dec 2013 05:56 AM PST

Mammary tumours (breast cancer) are the most common form of cancer in female dogs. Now a PhD project has led to the identification of genetic changes associated with these types of tumor. These findings can help to improve our understanding of the development of breast cancer in both dogs and humans.

Improving efficacy of antipsychotics in the era of personalized pharmacotherapy

Posted: 09 Dec 2013 05:55 AM PST

The efficacy of most antipsychotics depends on their pharmacokinetics, or their ability to get into the bloodstream after being absorbed. According to data recently collected, five of the most recent second-generation antipsychotics were among the drugs with the lowest efficacy, despite having similar pharmacological properties compared to first-generation or to other second-generation antipsychotics.

Ice-cold methods decode bacterial infection systems

Posted: 09 Dec 2013 05:55 AM PST

When attacking body cells, bacteria, such as salmonellae or Yersinia (plague pathogens), inject specific bacterial proteins through hollow, syringe-like structures – called injectisomes – into the host cells. These substances reprogram the cells and can thus overcome their defense. From then on, they can infiltrate the cells unhindered in large numbers, and trigger diseases such as typhus, plague, or cholera.

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