Study Shows MS Patients at Most Risk for Drug-Linked Brain Illness
Small number of Tysabri users develop rare but potentially fatal infection

U.S. Bests Canada, Europe in Drug Approvals
Yale research shows FDA ahead of other regulators in the approval process

CDC Lowers Lead-Poisoning Threshold for Kids
Cutting the safe blood level of the metal in children is long overdue, advocates say

Paralyzed Patients Use Mind to Move Robotic Arm
But there's a long way to go to make this approach practical, experts say

Head Blows May Hamper Learning in College Athletes
Some football, hockey players show postseason decline, study finds

Genetic Test May Spot Raised Autism Risk
Geared toward siblings of kids with the disorder, but experts question precision of the exam

Could Nasal Spray of 'Love Hormone' Treat Autism?
Preliminary study of 7 children saw more activity in 'social' areas of the brain

Many Parents of Kids With Autism Don't Put Faith in Pediatricians
Researchers say pediatricians also don't feel knowledgeable enough to guide families on treatments

Developmental Woes Common in Siblings of Children With Autism
Some show subtle developmental delays, study finds

'Blast Wind' Linked to Chronic Brain Injuries in Military
Force created by an explosion causes similar effects as repeated concussions in athletes, study finds

Urban Hospitals May Act as Breeding Ground for MRSA
'Superbug' then spreads to regional facilities, Scottish study suggests

Education Is Key to Health: Report
Along with poverty, less schooling linked to more chronic disease, disability and shorter life

FDA Panel Backs At-Home HIV Test
Recommendation could usher in a new era of testing

Palpitations May Signal Future Heart Rhythm Problem
Study found greater odds of developing atrial fibrillation

Dinosaurs May Have Suffered From Arthritis
A crooked jaw on a giant Pliosaurus looks a lot like human arthritis, researchers say

Trial Set to See if Drug Can Prevent Alzheimer's
Many of the study participants are genetically prone to the disease

Plavix's New Generic Status Could Be Boon for Patients
Price of widely used blood thinner should drop once patent ends Thursday

Genes Might Be Key to Parkinson's Spread
Certain variants were related to faster progression of movement disorder