Maybe not all based on nutrition and fitness, but I like to think of some of these articles and links as nutrition for the mind and soul.
1. For all those literature buffs out there (buzzfeed.com)

2. So true for today’s fast paced world: staying present in your relationship (thechalkboardmag.com)

3. Myths of high protein diets; we can agree to disagree on this one (nytimes.com)
4. 10 YouTube channels to nerd out on (careergirldaily.com)
5. What to do when you’re having an off day (thesundaychapter.com)