Hi, I'm Ryan Flaherty, Nike Senior Director of Performance.

For two years, I've been making this podcast, talking to experts in every aspect of training,

both mental and physical.

This season, with all of our lives turned upside down by the coronavirus, I'm calling up some

of those same experts, and ones you haven't heard from yet, to find out how they're staying

strong while staying home, and how we can do the same.

You're listening to Trained at Home.

Loneliness is a biological signal, like thirst is a biological signal, to tell us that

there is something wrong in our environment, and we need to do something about it to survive.

When you take the example of thirst, it means that you've been dehydrated and you need to

rehydrate with water and electrolyte.

Well, the same is true with loneliness.

It means that something is wrong with your social environment, and you need to reconnect

with others to survive.

That was Dr. Stephanie Cassiopo, on what the experience of loneliness can teach us.

With social distancing in place around the world, a lot of people might feel as though

they have no choice but to be lonely right now.

But Dr. Steph, who's often cited as a leading expert on the emotion, says there's a big

difference between being lonely and just being alone.

Today, she'll talk about how loneliness can affect us psychologically and physically.

She'll get into why we feel loneliness in the first place, and its role in human evolution.

And she'll offer up tactics for dealing with it, at a time when a lot of the ways we

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