For a worry-free winter
For a worry-free winter
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Health tips for the winter

Cold temperatures and outdoor activities

In winter, cold temperatures and air pollution can have direct and indirect effects on health. This may be the case, for example, during periods of extreme cold or a smog warnings. To get the most out of your outdoor activities in winter, read the following pages, which provide information about the possible effects of cold temperatures and air pollution and what you can do to prevent their consequences.

Interior comfort

In winter, residents of Québec spend 80% of their time indoors. Poor air quality in homes can have health effects. This may be the case, for example, when mould develops due to excess humidity or when there is a build-up of carbon monoxide due to the improper use of fuel-powered appliances such as wood-burning stoves or propane heaters. Winter is also the season when radon levels in the home should be measured. Holiday celebrations can be noisy and this can have health effects too. To make sure you feel more comfortable indoors, read the following pages:

Infectious respiratory diseases

Many viruses and bacteria can cause infectious respiratory diseases. Although these viruses and bacteria can move around throughout the year, some of them are encountered more frequently in winter. One example is flu (influenza), a highly contagious infection. There are a few things you can do to prevent infection, such as washing your hands.

For more information, check out the following pages:

Gastroenteritis

Although the viruses responsible for gastroenteritis can move around throughout the year, they are more prevalent in winter, and are highly contagious. you can prevent these infections in simple and effective ways, for example by washing your hands.

For more information, check out the following pages:

Last update: November 23, 2023

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