Pakistan employs new measures to deal with nearly 70,000 people affected daily by hazardous smog
US overdose deaths are down, giving experts hope for an enduring decline
What makes walking so great for your health and what else you need to do
Children brought from Gaza to heal from war wounds become caught in another war, in Lebanon
Proposed assisted dying bill for England and Wales rekindles debate over choice and ethics
Women suing over Idaho's abortion ban describe dangerous pregnancies, becoming 'medical refugees'
A Canadian teen is in critical condition with what is believed to be bird flu
Family of security guard shot and killed at Portland, Oregon, hospital sues facility for $35M
