Research and Development Health News

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Researchers Turn Stem Cells Into Intestinal Tissue in Lab

Feat may further understanding of bowel-related diseases

Imitation the Quickest Way to Grasp a Foreign Accent

Study found copying speech of speaker boosted comprehension

Depression With Psychotic-Like Symptoms Seems Tougher to Treat

Research also suggests difficult-to-treat depression isn't unrecognized bipolar disorder

Species Extinctions May Spell Trouble for Human Health

Scientists warn that loss of plants, animals could increase spread of infectious diseases

Worm Therapy Shows Promise for Ulcerative Colitis

Findings may lead to new treatments for debilitating bowel diseases, experts say

Noninvasive Glaucoma Test Might Speed Up Detection

Measuring electrical activity of retina, researchers say, reveals early changes in disease process

Cell Dysfunction May Play Part in Autism

Mitochondria, energy center of cell, found impaired in some, researchers report

Scientists Find Way to Partially Reverse Aging in Mice

Impact on people is unclear at this early stage of research, study author says

Mammals Grew Big After Dinosaurs Died Off: Analysis

Less competition for food led to rapid evolution, researchers suggest

Scientists May Have Solved an HIV Mystery

Mechanism for death of critical immune cells identified in study

Medical Advances Improving Lives, Surveyed Docs Say

'Constant progress and changing technology' plus physician expertise help meet patient needs: expert

Fossil Teeth of Neanderthals Reveal Fast Track to Maturity

Modern humans benefit from slower growth, longer lives, researchers say

Race Seems to Impact Rate of Kidney Function Decline

Findings may lead to improvements in identifying high-risk patients, study authors suggest

Key Brain Area for Vision May Be Organized by Color

Finding in monkeys might further understanding of perception, attention, researchers say

Despite FDA Warning, Avandia Use Varies Across U.S.

Diabetes drug offers case study that some doctors don't get or heed alerts, study says

Drug Targets Faulty Process That Drives Cystic Fibrosis

This medicine might help minority of patients with particular gene, but others like it could follow

Old Defibrillators Safe for Re-use

Used, sterilized ICDs didn't cause infections, delivered lifesaving shocks when needed, study finds

Scientists Find Way to Boost 'Good' Cholesterol in Mice

By turning off a genetic sequence, researchers said they raised the animals' HDL levels

U.S. Scientists Commit Most Research Fraud: Study

In total, faked, erroneous data led to retractions of nearly 800 papers over past decade

Study Hints at Stem Cells From Belly Fat as Treatment for Heart Attack

While results are 'promising,' the research is in its early stages, expert says

Gene Therapy Shows Potential Against Heart Failure

Research was preliminary and the sample size small, experts note

Death of Loved One May Trigger Elevated Heart Rate

Worrisome signs seemed to revert to normal within 6 months, study suggests

Device Improves Survival of Heart Failure Patients: Study

Resynchronization therapy also reduces hospitalizations, researchers say

Antibody Linked to Allergies on the Rise

Levels have doubled in people over 55 since the '70s, study says

A Little Alcohol May Help the Heart: Studies

But excessive consumption is always damaging, doctors say

Gene Variation Linked to Altruism

People with this DNA twice as likely to donate to charity as those without it, researchers found

Diabetes Research Made Significant Strides in Past Year

Advances in treating type 1 diabetes best news as World Diabetes Day approaches

Urine Markers May Reveal Kidney Damage Earlier

If findings lead to reliable test, kidney failure might be prevented, researchers say

Happiness Is a Focused Mind

When people's minds wandered, they reported more dissatisfaction, study found

Source of an Itch Studied in Mice

Same nerve cells that cause burn-related pain involved in itchiness, research shows

Scientists Say They've Made Blood From Skin

Discovery could benefit surgical, cancer, anemia patients, researchers say

Lung Cancer in Smokers, Nonsmokers May Be a Different Disease

Tumors in people who never smoked had more genetic abnormalities, study says

New Drug, Pradaxa, May Prevent Second Stroke in Certain Heart Patients

As effective as anticlotting drug warfarin among those with atrial fibrillation, study found

Spending Months in Space May Cause Long-Term Bone Loss

Crew members on extended missions still had lower than normal bone density a year after return

Protein Differences May Explain Long-Term HIV Control

Scientists say small variation keeps some infected patients healthy without medicine

Sleep Appears to Aid Learning

Shut-eye helped solidify vocabulary for study volunteers

Possible Genetic 'Switches' for Blood Sugar Control Detected

But applications for diabetes years away, researchers say

Dolphins Get By With a Little Help From Their (Female) Friends

Study finds dolphin moms more successful if aided by female friends, relatives

Study Unmasks the Biology of Bluffing

Brain scans spot cognitive roots of getting others to believe lies are true

Diabetes Drugs Might Lower Risk of Lung Cancer

Study buttresses preliminary findings that found same benefit

MRI Images May Pinpoint Time of Stroke

'Surrogate clock' could increase the number of patients eligible for clot-busting therapy: researchers

Scientists Report Early Success in Growing Mini Liver in Lab

Next step is to assess organ's function after transplant into animals

Mouse Study Reveals a Cancer Cell Escape Route

A small number of lymphoma cells survived by hiding in the thymus, researchers say

Noninvasive Test for Colon Cancer Shows Promise in Early Trial

Stool-based screen beats current versions, but results must be replicated in larger trials, experts say

Early Humans More Advanced Than Thought

In S. Africa, sophisticated tool-making techniques show up 55,000 years earlier than expected

Brain's Error-Detection System Demystified

Researchers identify two autonomous feedback loops in 'typo' study

New Drug Shows Promise Against Certain Lung Cancers

For some patients, crizotinib shrank tumors with a particular genetic mutation

New Insights on Who Should Take Erbitux for Colon Cancer

Contrary to previous research, some patients with KRAS gene mutation may benefit

New Polio Vaccine Shows Major Advantages: Study

Bivalent oral vaccine targets two deadly strains of virus

Aspirin May Help Patients Beat Prostate Cancer

Retrospective study found blood thinners associated with 50 percent cut in death rate