Rise in teen girls with 'tic-like' behaviours could be linked to TikTok, doctors say

Diabetes patients more likely to die with COVID-19 if they're male: studies

Growing risk of once-in-a-century solar superstorm that could knock out internet, study says

Plane damaged after being hit by York police drone at Buttonville Airport

Short, daytime naps don't relieve sleep deprivation, study finds

A new study has found that the effects of climate change combined with overfishing pose an increasing threat to food security, particularly in poorer countries

Canadian researchers develop calculator that can predict risk of dementia

Malaysia's reef sharks are stricken with a mystery skin disease, doctors are puzzled

Rare procedure to treat pancreatitis creates 'super liver' by transplanting pancreatic cells | CTV News

Ontario teachers' unions slam province for considering permanent online learning