Health

What you need to know about getting to sleep — and staying asleep

A Q&A with the lawyer who alleges Valeant, the maker of Cold-fX, misled consumers about the short-term effectiveness of the cold and flu remedy

Over-the-counter cough and cold medication warns that it shouldn’t be used on anyone under age six. So why do so many parents give it to children?

On girls faking orgasms, why oral sex is so popular with teens, and what the Dutch are doing right

Michal Schwartz, who pioneered the field of neuroimmunology, makes links between immune-system health and Alzheimer’s

How an Alberta professor’s good research was used to create an ultra-toxic drug, decades after he shelved it

Inside the Brock University lab that’s working hard to find out whether Canada’s mosquitoes can transmit Zika

Schools are racing to figure out how to use accommodations to handle the wave of students who are grappling with invisible disabilities

The common wisdom is that Canadian mosquitoes cannot transmit the Zika virus. The truth is that scientists don’t really know.

Mosquitoes carrying the Zika virus are expected to infect up to four million people across the Americas. And there’s no cure—nor an end in sight.