الأربعاء، 4 أبريل 2012

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


Link between estrogen and tobacco smoke: Estrogen may help promote lung cancer

Posted: 03 Apr 2012 04:38 PM PDT

The hormone estrogen may help promote lung cancer -- including compounding the effects of tobacco smoke on the disease -- pointing towards potential new therapies that target the hormone metabolism, according to new research.

Children: Better protection from influenza with improved vaccine

Posted: 03 Apr 2012 04:37 PM PDT

An intranasal vaccine that includes four weakened strains of influenza could do a better job in protecting children from the flu than current vaccines, new research shows.

Scientists find increased ApoE protein levels may promote Alzheimer's disease

Posted: 03 Apr 2012 02:21 PM PDT

Scientists have enhanced our understanding of how a protein linked to Alzheimer's disease keeps young brains healthy, but can damage them later in life -- suggesting new research avenues for treating this devastating disease.

DNA marker indicates if ovarian cancer treatment will be successful, study suggests

Posted: 03 Apr 2012 02:21 PM PDT

Researchers have discovered that blood can help determine the best treatment plan for patients with ovarian cancer.

Early warning system for seizures could cut false alarms

Posted: 03 Apr 2012 02:19 PM PDT

Biomedical engineers have devised seizure detection software to significantly cut the number of unneeded electrical pulses an epilepsy patient receives from brain implants.

‘Positive stress’ helps protect eye from glaucoma

Posted: 03 Apr 2012 02:19 PM PDT

Working in mice, scientists have devised a treatment that prevents the optic nerve injury that occurs in glaucoma, a neurodegenerative disease that is a leading cause of blindness.

Eating cruciferous vegetables may improve breast cancer survival

Posted: 03 Apr 2012 12:35 PM PDT

A study by Vanderbilt-Ingram Cancer Center and Shanghai Center for Disease Control and Prevention investigators reveals that breast cancer survivors who eat more cruciferous vegetables may have improved survival. The study of women in China was presented by postdoctoral fellow Sarah J. Nechuta, Ph.D., M.P.H., at the American Association for Cancer Research Annual Meeting in Chicago, Ill.

Nearly half of cancer survivors died from conditions other than cancer

Posted: 03 Apr 2012 11:23 AM PDT

Although cancer recurrence may be the overriding fear for many survivors, nearly half of survivors from a recently presented study died from other conditions.

Caffeine and exercise may be protective against skin cancer caused by sun exposure, study suggests

Posted: 03 Apr 2012 11:23 AM PDT

The combined effects of exercise plus caffeine consumption may be able to ward off skin cancer and also prevent inflammation related to other obesity-linked cancers.

Young girls more likely to report side effects after HPV vaccine

Posted: 03 Apr 2012 11:00 AM PDT

Younger girls are more likely than adult women to report side effects after receiving Gardasil, the human papillomavirus vaccine. The side effects are non-serious and similar to those associated with other vaccines, according to a new study.

Less than 1 in 6 Americans frequently washes grocery totes increasing risk for food poisoning

Posted: 03 Apr 2012 10:59 AM PDT

Reusable grocery totes are a popular, eco-friendly choice to transport groceries, but only 15 percent of Americans regularly wash their bags. Most users are inadvertently creating a breeding zone for harmful bacteria, according to a new survey.

Autistic kids born preterm, post-term have more severe symptoms

Posted: 03 Apr 2012 09:44 AM PDT

For children with autism, being born several weeks early or several weeks late tends to increase the severity of their symptoms, according to new research.

Promising vaccine targets on hepatitis C virus

Posted: 03 Apr 2012 09:44 AM PDT

Scientists have found antibodies that can prevent infection from widely differing strains of hepatitis C virus in cell culture and animal models.

Infection linked to dangerous blood clots in veins and lungs

Posted: 03 Apr 2012 09:43 AM PDT

Obesity, smoking and diabetes are among the most common risk factors linked to blood clots. But a new study has identified another big risk that isn't on the list -- infection.

How a cancer drug leads to diabetes-like state

Posted: 03 Apr 2012 09:43 AM PDT

Scientists have discovered why diabetic-like symptoms develop in some patients given rapamycin, an immune-suppressant drug that also has shown anti-cancer activity and may even slow aging.

New hormone for lowering blood sugar

Posted: 03 Apr 2012 09:43 AM PDT

New evidence points to a hormone that leaves muscles gobbling up sugar as if they can't get enough. That factor, which can be coaxed out of fat stem cells, could lead to a new treatment to lower blood sugar and improve metabolism, according to a new report.

Obesity adds more to health care costs than smoking, study suggests

Posted: 03 Apr 2012 09:42 AM PDT

Obesity adds more to health care costs than smoking does, reports a new study.

Former pro pitcher now keeps 'strike zone' in proteins

Posted: 03 Apr 2012 09:42 AM PDT

Perhaps no other biochemist in the world has his own baseball card, but Elih Velázquez-Delgado, who gave up pro ball for science, does. The doctoral student is about to publish his first academic paper on caspase-6, an enzyme that's causally involved in Alzheimer's and Huntington's diseases.

Arteries under pressure early on: Mice fed a high-fat diet show signs of artery damage after only six weeks

Posted: 03 Apr 2012 08:20 AM PDT

High fat diets cause damage to blood vessels earlier than previously thought, and these structural and mechanical changes may be the first step in the development of high blood pressure.

Activity in brain networks related to features of depression

Posted: 03 Apr 2012 08:19 AM PDT

Depressed individuals with a tendency to ruminate on negative thoughts, i.e. to repeatedly think about particular negative thoughts or memories, show different patterns of brain network activation compared to healthy individuals, report scientists of a new study.

New compound targets key mechanism behind lymphoma

Posted: 03 Apr 2012 08:17 AM PDT

Scientists have come one step closer to developing the first treatment to target a key pathway in lymphoma.

Point when negative thoughts turn into depression identified

Posted: 03 Apr 2012 08:15 AM PDT

Negative thinking is a red flag for clinical depression. Stopping such thoughts early on can save millions of people from mental illness, according to new research.

What do ADHD and cancer have in common? Variety

Posted: 02 Apr 2012 01:28 PM PDT

According to new research, attention deficit hyperactivity disorder is more than one disorder. It's an entire family of disorders, much like the multiple subtypes of cancer. The research, which highlights various versions of the disease, each with differing impacts, demonstrates that there is likely not going to be a "one-size-fits-all" approach to treating patients.

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