ScienceDaily: Health & Medicine News

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• Vitamin E may delay decline in mild-to-moderate Alzheimer’s disease
• Most clinical studies on vitamins flawed by poor methodology
• Toward molecular explanation for schizophrenia
• Testosterone in male songbirds may enhance desire to sing, but not song quality
• Potential new strategy to improve corneal transplant acceptance
• Secret to fewer doctor office visits after 70: Play high school sports
• Rheumatoid arthritis research shows potential of large-scale genetic studies for drug discovery
• Rock and rho: Proteins that help cancer cells groove
• Changes in gene explain more of inherited risk for rare disease
• Nearly eight percent of hip implants not backed by safety evidence
• Greater dietary fiber intake associated with lower risk of heart disease
• New data for engineering immune cells shows promise in solid tumors
• Saving fertility not priority at most cancer centers, study shows

Vitamin E may delay decline in mild-to-moderate Alzheimer’s disease Posted: 31 Dec 2013 01:37 PM PST Vitamin E has just been shown to slow functional decline of Alzheimer's patients and reduce burdens on caregivers.

Most clinical studies on vitamins flawed by poor methodology Posted: 30 Dec 2013 10:51 AM PST Most large, clinical trials of vitamin supplements, including some that have concluded they are of no value or even harmful, have a flawed methodology that renders them largely useless in determining the real value of these micronutrients, a new analysis suggests. These flawed findings will persist until the approach to studying micronutrients is changed.

Toward molecular explanation for schizophrenia Posted: 30 Dec 2013 10:50 AM PST Schizophrenia was only recognized as a medical condition in the past few decades, and its exact causes remain unclear. Now a researcher has discovered that an important cell-maintenance process called autophagy is reduced in the brains of schizophrenic patients. The findings advance the understanding of schizophrenia and could enable the development of new diagnostic tests and drug treatments for the disease.

Testosterone in male songbirds may enhance desire to sing, but not song quality Posted: 30 Dec 2013 10:49 AM PST Introducing testosterone in select areas of a male canary's brain can affect its ability to successfully attract and mate with a female through birdsong. These findings could shed light on how testosterone acts in the human brain to regulate speech or help explain how anabolic steroids affect human behaviors.

Potential new strategy to improve corneal transplant acceptance Posted: 30 Dec 2013 10:49 AM PST For the estimated 10 percent of patients whose bodies reject a corneal transplant, the odds of a second transplant succeeding are poor. All that could change, however, based on a study that has found a way to boost the corneal transplant acceptance rate.

Secret to fewer doctor office visits after 70: Play high school sports Posted: 30 Dec 2013 07:15 AM PST Seventy year olds who don't frequently visit the doctor have something unexpected in common -- most played high school sports. They were active on a team over 50 years ago and are more likely to be active into their late 70s.

Rheumatoid arthritis research shows potential of large-scale genetic studies for drug discovery Posted: 26 Dec 2013 08:52 AM PST The results of the largest international study to date into the genetic basis of rheumatoid arthritis have shed light on the biology of the disease and provide evidence that large-scale genetic studies can assist in the identification of new drugs for complex disorders such as rheumatoid arthritis.

Rock and rho: Proteins that help cancer cells groove Posted: 26 Dec 2013 08:52 AM PST Biologists have discovered that low oxygen conditions, which often persist inside tumors, are sufficient to initiate a molecular chain of events that transforms breast cancer cells from being rigid and stationery to mobile and invasive. Their evidence underlines the importance of hypoxia-inducible factors in promoting breast cancer metastasis.

Changes in gene explain more of inherited risk for rare disease Posted: 23 Dec 2013 07:06 AM PST Mutations in a key gene predispose people to develop a rare tumor-causing disorder.

Nearly eight percent of hip implants not backed by safety evidence Posted: 20 Dec 2013 09:08 AM PST Almost 8 percent of all implants used in hip replacement surgery have no readily available evidence relating to their safety or effectiveness, finds a study published on bmj.com today.

Greater dietary fiber intake associated with lower risk of heart disease Posted: 20 Dec 2013 09:08 AM PST Greater dietary fiber intake is associated with a lower risk of both cardiovascular disease and coronary heart disease.

New data for engineering immune cells shows promise in solid tumors Posted: 20 Dec 2013 08:32 AM PST Engineered immune cells, called CARTmeso cells, designed to direct antitumor immune responses toward tumors that carry a protein called mesothelin, showed antitumor activity in two patients with advanced cancers that had not responded to prior treatments, according to a study published.

Saving fertility not priority at most cancer centers, study shows Posted: 19 Dec 2013 05:00 PM PST Infertility is one of the most distressing long-term side effects of cancer treatment for adolescents and young adults. Yet the leading cancer centers -- which should be leaders in fertility preservation -- aren't doing an adequate job of helping patients protect their fertility. Most of these centers do not have policies to consistently identify which patients may be at risk for fertility loss, inform patients of this risk or refer them to fertility specialists.

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