Research and Development Health News

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Artery Plaque Rupture Can Occur Without Symptoms

But this makes build-up more vulnerable to future bursts, researchers find

Chinese Work Sees Through Invisibility Quest

Researchers explain how theoretical 'anti-cloak' could bring objects out of hiding

Almost Half of Adults Will Develop Knee Osteoarthritis by 85

Study finds risk is greatest for those overweight or obese at age 45

Last of Woolly Mammoths Had North American Roots

Beasts established themselves earlier than presumed

Blacks With Lung Disease Face Increased Cancer Risk

Men with prior history of COPD 6 times more likely to develop malignancy, study suggests

Sleep Therapy Restores Brain Function in Insomniacs

Brain imaging suggests it could be a non-pharmacological intervention for the disorder

Genetic Mutations Linked to Deadly Cancers

Findings of 3 studies focus on brain and pancreatic tumors

Scientists Spot New Twist in HIV Infection

Discovery brings better treatments, even a cure, a bit closer

Research Unveils Earliest Cell Changes in Down Syndrome

Mouse study shows disturbance of regulating gene starts domino effect altering development

Scientists Discover How Osteoarthritis Destroys Cartilage

For sufferers of joint disease, finding could lead to preventive treatments, study says

New Drug Helps Relieve Gout

Pegloticase normalized uric acid levels within 6 hours for participants in phase II trial

Brain's Serotonin May Explain Seasonal Mood Changes

Higher binding potential in winter could clarify why people feel down when sun shines less

Breast Cancer Drug Not Tied to Cognitive Decline: Study

Researchers say finding is 'good news' for postmenopausal women taking anastrozole

Secrets of Telomerase Revealed

Researchers unlock active region of enzyme involved in cancer, aging

Some Hiroshima Survivors at Thyroid Cancer Risk

Radiation may have caused chromosomal change that raises odds for malignancy, study finds

Scientists Track Hourly Changes in Alzheimer's Protein

Recovery from brain injury, not injury itself, associated with increased plaque

Normal Cells May Predict Cancer Virulence

Finding suggests that treatment that only aims at malignant cells might fall short

Gene Linked to 'Dry' Macular Degeneration

Study also uncovers risks associated with treating 'wet' form of the eye disease

Pancreatic Cells Turned Into Insulin-Producing Beta Cells

Researchers say feat could lead to treatment for diabetes

Tools Test Debunks 'Dumb Neanderthals' Theory

Technological inferiority didn't spur their demise, researchers say

Scientists ID Pathway That Makes Antipsychotic Drugs Work

Finding could aid drug manufacturers in development of new therapies

LDL Cholesterol Tied to Increased Cancer Risk in Diabetics

Using these levels as markers could help clinicians better treat patients, Chinese study finds

DEET Works Because Mosquitoes Hate the Smell

Research upends theory that repellant masks person's odor and interferes with bugs' senses

Study Examines How Rheumatoid Arthritis Destroys Bone

Enzyme called Smurf1 acts as signaling partner that turns off building-block proteins

Intense Heat May Boost Tomato Antioxidant

Fat added to lycopene molecules appears to increase disease-fighting power, study says

Computer-Based Method IDs Alzheimer's Protein Structures

Findings hint of new treatments to prevent their formation, MIT study says

Molecule Keeps Bacteria Like Salmonella in Check

Finding could also fight other pathogens before they develop resistance to antibiotics

Scientists ID New Proteins in Programmed Cell Death

Findings may lead to novel drug targets for stroke, infectious diseases, study says

Experimental Drug Shows Early Promise Against Cystic Fibrosis

The molecule causes flawed gene to work properly, researchers say

Bone Growth Protein Also Promotes 'Good' Fat

Stimulation of brown globules helps burn calories, hints of new ways to treat obesity

Addiction Drug Causes Rapid Weight Loss in Rats

Findings offers hope of new treatments for severe obesity in humans

Calcium Might Have Taste Humans Can Detect

Tweaking tongue receptors could encourage people to consume more of the vital nutrient

Mathematical Model Helps Predict Cancer Tumor Size

Calculations were close to what was actually seen in clinical practice, Stanford team says

Immune Response May Hinder Stem Cell Treatments

This unexpected reaction must be overcome to ensure therapeutic success, experts say

Science May Banish Bad Hair Days

Super close-up views of how strands interact could be key, researchers say

A Hope: Contaminant-Free Synthetic Heparin

Team of chemists makes blood thinner in lab, but hopes for large-scale production

New Imaging Technique Could Spot Early Cancers

Lasers heat nanotubes, then docs listen for ultrasound waves released showing tumors

Study Probes Internet Health-Related Search Patterns

Use of Google Trends mirrors data sought in other countries as well, researchers say

Asthma's Course Differs by Gender

By puberty, condition may be passing phase in boys, but more permanent in girls, study says

Poor Coordination in Childhood Tied to Adult Obesity

Clumsiness at age 7, below-par motor skills at 11 linked to weight gain later, study says

Blocking Drug-Related Memories May Prevent Relapses

Animal brain receptor study suggests new treatments for addiction in humans

PET Scans May Help Detect Alzheimer's Brain Plaques

Injectable marker spots deposits, could be used to assess drugs in clinical trials

New Chemotherapy Combo Holds Promise for Lung Cancer

But expert notes research is still in early stages

Studies Refine Obesity's Risk for Heart Troubles

Not all overweight in metabolic danger, but waist size a factor even in the normal-weight

Researchers Hunt Normal Cells That Give Rise to Cancer

Identifying these progenitors may provide context for tumor formation, new treatments

Gene Treatment in Mice Makes Old Liver Cells Young

Better 'waste disposal' could one day help treat human illnesses such as Alzheimer's, study says

Scientists Create Mice Resistant to Obesity

Research with a brain chemical might lead to drug treatments for humans

New Technique Removes Gallbladder Without External Incisions

Endoscope was inserted through 1-inch cut behind uterus and into woman's body cavity

Disease-Specific Stem Cell Lines Developed

Should advance both research and future treatments, scientists say

Interrupted Night Sleep Worse for Cognitive Function

People almost 4 times groggier than those awakened during day rest, study finds