Research and Development Health News

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Clenching Muscles May Boost Willpower

But it only works if the goal is in line with your values, researchers say

Peer Support May Bring Better Control of Diabetes

Drop in blood sugar levels equivalent of using oral diabetes drug, study finds

New Tumor Marker May Improve Cancer Detection: Study

Hormone receptor not normally seen outside the reproductive organs shows up in many tumors

Animal Study Explores Potential Gene Therapy for Depression

Adequate levels of a certain brain protein may aid prevention, treatment, researchers suggest

Some With Once-Deadly Leukemia Can Take a Break From Gleevec

Small minority of CML patients went off the drug for 2 years with no sign of recurrence

Can Vitamin B12 Reduce Alzheimer's Risk?

Finnish study hints at a link, but experts call the trial small and preliminary

Mouse Study Sheds Light on Hearing Loss in Aging Humans

Gene research might lead to drugs to preserve auditory function, study suggests

Tyrannosarus Rex Was a Cannibal

Fossil bones of meat-eating dinosaur show 'frequent' T-Rex tooth marks, paleontologist finds

Gulf War Nerve Agent Tied to Late-Onset Heart Damage in Mice

Signs appeared 10 weeks after exposure to low-dose sarin, researchers found

First Patient Treated in U.S.-Approved Embryonic Stem Cell Trial

Unnamed individual is receiving controversial cells to treat spinal cord injury

Researchers Pinpoint Array of Obesity Genes

However, environment and lifestyle still play key roles, experts say

New Tool Shows Promise for Early Lung Cancer Screening

Optical sweep of cells from cheek lining may detect which patients need more testing, study finds

Most Americans Back Embryonic Stem Cell Research: Poll

Wide range of support, including Republicans, Catholics and born-again Christians, Harris Interactive/HealthDay poll finds

Once-Promising Heart Failure Drug Fails in Trial

It's 'the end of the story' for rolofylline against this tough-to-treat condition, researcher says

Bacteria Identified as New Foe for Cystic Fibrosis Patients

Infection with S. maltophilia may cause serious flare-ups, study says

Vaccine Studied for Deadly Brain Cancer

Appears to lengthen survival time, but study is small, researchers say

Video May Help Predict Which Embryos Will Survive IVF

Researchers say method could improve odds of getting pregnant with in vitro fertilization

Brain Stimulation Can Affect Which Hand You Favor

Further study might help victims of stroke and other brain injuries, researchers say

Hundreds of Genes May Influence Your Height

Study debunks notion of a single 'short' or 'tall' determinant

Researchers Create Molecule That Attacks Cancer Genes' 'Instruction Manual'

Findings from cell, animal experiments may hold promise for rare, fatal cancer, researchers say

Monkey See, Monkey Do Understand

Rhesus display self-awareness when spotting themselves in a mirror, new research shows

New Blood Test for Colon Cancer Developed

More trials needed, but method would identify folks in need of colonoscopy

In Test of Stents, Old Standby Wins Out

Older drug-eluting model prevents more major cardiac events than a newer version, researchers find

Drug Combo May Treat Brain Injury, Animal Study Suggests

Therapy seemed to improve rats' memory after trauma, but more research needed, experts say

'Self-Touch' May Reduce Pain, Study Finds

British researchers' experiment seems to fool the brain

As Science Unlocks Secrets, Cancer Rates Fall

Included in big breakthroughs, experts say, are changes people make in their everyday lives

Mixed Report on Women's Health Research

Fewer deaths from major killers like breast cancer, but little progress on debilitating diseases like dementia

Gene Variations May Predict Severe Osteoarthritis

Findings could lead to drug advances, researchers say

Animal Studies Offer Insights Into MS

Scientists eye alternative, 'potentially reversible' source of neural damage

Recent Stress May Reduce Cancer Therapy Effectiveness

Protein involved in mental, physical exertion cut chemo and radiation benefits in lab study

New Procedure for Aortic Valve Replacement Looks Promising

Less-invasive option may help patients who can't withstand open-heart surgery

Gene Study Adds to Research of Breast Cancer Risk

Findings may help scientists develop way to predict individual risk in BRCA1 mutation carriers

Scientists ID 5 Gene Variants Linked to Ovarian Cancer

Findings could help advance prevention, treatment options for those most at risk, expert suggests

Age-Related Mental Decline May Be Less Than Thought

Thinking skills do diminish in older adults, but not by much, researcher says

Experimental Drug Shows Promise for Bone Marrow Disorder

Patients with myelofibrosis experienced some relief from symptoms, inflammation, ongoing study found

Autistic Children Don't Seem to Yawn 'Contagiously'

Study suggests this behavior may signal a lack of recognition of others' feelings

Medical Study Authors Often Fail to Disclose Industry Ties

Lax reporting of device makers' payments to researchers are cause for concern, report says

In Vitro Fertilization Success Rate Higher in Spring, Study Suggests

Reproductive expert cautions against waiting for "prime" season, however

Fast-Freeze May Help Sperm Survive Storage, Study Finds

Method might pave way for HIV-positive men to donate sperm safely, researchers say

Biomarkers May Aid in Early Diagnosis of Alzheimer's

Treatment options remain limited, researchers note

Researchers Develop Touch-Sensitive 'e-Skin'

May be used in robots and possibly one day to restore a sense of touch to patients with prosthetic limbs

2 Genes Have Possible Link to Deadly Ovarian Cancer

Scientists say findings may lead to new therapies for ovarian clear cell carcinoma

Immune System Genes Show Links to Type 1 Diabetes

Finding is starting point for new work on the disease's origins, possible treatment, experts say

Mouse Study May Help Explain Fish Oil's Benefits

Giving rodents omega-3 fatty acids helped counteract inflammation that can lead to diabetes

Experimental TB Test Called Fast and Accurate

Health experts say it has potential to greatly improve treatment of the respiratory disease

Most Study Volunteers Seem Willing to Share Genetic Data

But they want to be asked before info enters a national database, study finds

Lung Damage From Secondhand Smoke Observed in Rats

Findings may aid efforts to develop new ways to treat respiratory diseases in people, researchers say

Immune System Research Sees Many Similarities Among People

Findings may lead to better diagnosis, treatment of cancers, autoimmune diseases, study says

Diabetes Drug Metformin Linked to Lower Lung Cancer Rate in Mice

Findings reflect those of population studies in humans, researchers say

Genetic Studies Find Clues to 'Lou Gehrig's Disease' Risk

Two teams report on role chromosome 9 seems to play in amyotrophic lateral sclerosis