No COVID-19-related deaths or outbreaks in Waterloo region this week: Public health

A pedestrian wears a face mask to curb the spread of COVID-19, in Vancouver, on Tuesday, February 16, 2021. THE CANADIAN PRESS/Darryl Dyck A pedestrian wears a face mask to curb the spread of COVID-19, in Vancouver, on Tuesday, February 16, 2021. THE CANADIAN PRESS/Darryl Dyck

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How the lack of gravity in space impacts astronauts’ brain

What happens to the brain when you take gravity away? According to a new study looking at astronauts both before and after space travel, that experience causes physical changes that researchers believe requires at least three years between longer missions to recover from.