How exercise may affect your immunity

The New York Times

Does exercise help or hinder our bodies’ ability to fight off infections?

In the context of the Covid-19 outbreak, that question has gained urgency and also, thanks to recent research, emergent answers. The latest science suggests that being fit boosts our immune systems, and that even a single workout can amplify and improve our ability to fight off germs.

But some studies also indicate that the types and amount of exercise may influence how exercise affects our immune responses. More is not necessarily better. And the location of the exercise could matter, too; cue recent findings about the germiness of gyms.


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Why calories are a con

The Economist

‘Four hours to walk off pizza calories’ warning works, experts say

Food packs should display how much exercise a person would need to take to burn off the calories contained in the product, UK researchers say.

Appreciating it would take four hours to walk off the calories in a pizza or 22 minutes to run off a chocolate bar creates an awareness of the energy cost of food,

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