Small study found cardiac changes, but they were reversible and less likely with proper training

Finding suggests that ERs might provide a good opportunity to spot trouble, intervene

Some people have natural defenses that weaken power of virus, study authors say

Study mapped their brain response while copying adults playing with toys

They're anxious in response to left-wagging peers, relaxed when others' tails go right, study finds

Many in study felt more appreciation for life, closeness with family, friends

Study found increased survival rate but only for those with highest-risk disease

Specialist tells parents how to avoid trick-or-treating hazards

Here's what to expect

Here's how to help reverse the schedule