First detailed look at Orrorin tugenensis bones proves earliest hominin walked upright, researchers say
Studies in worms are shedding new light on the hormone's role in lifespan
Rat study shows treatment reduced neuroinflammation affecting memory
Study found 10 percent fewer new cases over a decade
But the finding shouldn't keep physicians from using Avastin, researchers say
DNA evidence in lymph nodes could alter treatment approach, study suggests
Finding might explain why some tumors are aggressive and spread, researchers say
Could lead to quick blood test that would show whether an antidepressant is working
Animal experiments show thyroid stimulating hormone prevented bone loss
Study found it caused permanent bone damage and stunted growth
It activates p53 tumor-suppressor function without causing DNA damage
Fifty percent of sense of well-being comes from inherited personality traits, researchers say
Study suggests brains of patients get stuck in memory-deletion mode
Wine is better than liquor, study says; a healthy lifestyle is even better, doctor adds
California team's discovery may lead to a vaccine that wards off infections
Reducing inflammation helps blunt cardiovascular threats, study suggests
Researchers say mouse study reversing that pattern offers hope of new diabetes treatments
Researchers suggest finding could lead to ways to decode the mind for therapeutic purposes
Study found it restricts growth factor, leads to shorter stature but longer life
Finding helps identify cellular pathways involved in cancer metastasis
Findings 'crack open the cell biology' of lethal inherited syndrome
Rare TDP-43 mutations expose potential therapeutic target, experts say
The shots do not rely on whole, live strains, the US team notes
Water molecules in shafts offer up personal history, researchers say
Chemical molecules in exhalations hint at wide range of conditions
Clot buster works longer than thought, lowering blood pressure limits damage, and vacuum device sucks up clots safely for 8 hours
Finding may provide benefit for HIV, bone marrow transplantation patients
Geography determines similarities, differences in DNA, studies find
Mouse study suggests it could help control diabetes in humans
Geography determines similarities, differences in DNA, studies find
The findings could aid investigation of current bird flu, experts say
In mice, targeting blood coagulation pathway eased disease-linked paralysis, researchers say
Language experience shapes the way the brain stem works, linguist says
Experiments in mice may lead to new treatments for the disease, study suggests
Promising results need to be replicated in larger study, experts caution
Changes in tissue similar to effects of aging, report suggests
Controlling quickly mutating noroviruses might mean yearly changes in formula
Device that measures metabolic stress could help doctors catch trouble early
Finding could lead to less controversial method of treating diseases
Harvard docs say this way of checking estrogen-receptor status of participants is OK
Device could use act of walking to power artificial limbs, insulin pumps, pacemakers
Danish researchers point to treatment of multiple risk factors at once
Preliminary study finds some benefit from calcium channel blockers
Study also notes that related neuronal damage follows soon after
Increased mortality seen in patients receiving aggressive drug therapy to cut blood sugar levels
Scientists watched as cancer cells spread throughout living zebrafish's body
Same technology used in cars determined walking abilities of patients, study suggests
New research suggests brains of heavy individuals may be wired differently
Drug shows potential for patients with specific gene mutations, researchers find
Researchers suggest it's different form of the disease