What are your top healthy winter tips / hobbies

[Rainydays55]

Looking for inspiration to try and be as healthy / fit as possible this winter - do any of you have tips of what works for you? Healthy foods / exercise routines?
And what are your favourite winter hobbies?

Vitamin D supplement is an absolute must

I love walking in the countryside when it's crips and cold.

I walk everyday so still getting outside regardless of weather just make sure you have appropriate clothing for all weathers.