Researcher calls delay a 'lost opportunity' for treatment

Large study should allay fears that procedure might play a role, researchers say

The practice is common and raises privacy issues, but overall is beneficial, researchers say

Scientists used data on births, climate and other mosquito-borne infection to estimate outbreak

Any sex partner, male or female, has potential to pass the virus on, agency says

Study suggests need for better management of other health problems

But serious confusion missed in about 40 percent, study found

No Marijuana Chemical in Colorado Town's Water

Suggestions for a calmer child

Signs that your hip may be affected