GENERALHEALTH:Scientists Spot Genes Tied to Aging: Some people are programmed to age at a faster rate, study says

Drug Cures Osteoporosis in Mice: Experimental agent targets serotonin in the gut, triggering bone formation

Cleaning Agent Tied to Parkinson's in Study: Trichloroethylene was widely used industrial solvent

Financial Woes Add Anxiety to Breast Cancer Diagnosis: Low- and middle-income women might benefit from psychosocial support, researchers say

Stem Cell Research Makes Another Advance: Using a new method, scientists reprogram adult cells to develop into myriad cell types

'Third-Hand Smoke' Could Be Troublesome, Too: Tobacco residue may give rise to new pollutants indoors, chemists suggest

Spectators Need to Prepare for Olympic Games, Too: Health experts urge travelers to take steps to prevent illness

As Swine Flu Fades, Experts Ponder Next Season: Some believe H1N1 will persist for years to come, but in what form remains unclear

Screening for Spinal Muscular Atrophy Not Cost-Effective: Study: But testing of high-risk couples could be viable, researchers say

Genome Mapped for Type 2 Diabetes: Finding may further understanding of common diseases, researchers say

Surgeons Suffering Work-Related Injuries: Laparoscopy responsible for 'pending epidemic,' researchers say

Wound-Healing Maggots Succumb to Deadly Bacteria: Germs can undermine unorthodox but effective treatment, experts say

More Doses of MS Drug Raise Risk of Brain Infection: FDA adds new warning on Tysabri label, but says benefits still outweigh dangers

Human Pacemakers Offer Hope to Ailing Dogs: The surgically implanted devices can add years to a hound's life

Agricultural Chemical Spray Linked to Birth Defect Risk: Infant abdominal hernia rates higher near farms using atrazine, research shows

Biofeedback Now Seen as 'Regular' Medicine: Computer-assisted treatment has joined mainstream for pain, anxiety and more

Government to Pay for More Than Half of U.S. Health Care Costs: Recession is driving laid-off Americans from private to public plans, report notes

Black and Hispanic Infants Much More Likely to Have HIV: Preventive efforts needed to reduce transmission from mother to child, experts say

With C-Section, Stitches May Be Best: More complications noted with staples than sutures, study finds

Review Spotlights Clues to Serious Childhood Infection: Signs may not be recognized because they are rare in developed countries, authors say

Campaign Calls for Limits on Doctors' Hours: Forty groups say typical 30-hour shifts need to be cut to 16 to avoid medical errors