Do you want to be happier, healthier, and smarter? I have just the prescription for you: add a daily dose of nature to your routine.

Over the past decade, researchers from fields as diverse as biology, psychiatry, engineering, horticulture, neuroscience, and medicine have realized what most of us know intuitively: nature is good for our health and wellbeing. These experts have discovered countless links between time spent outdoors and cognitive, physical, and emotional development.

Lately, Jane Fonda is everywhere on my pop culture radar. She posts frequently on Twitter and on her blog. These posts have focused on exercising and well-being, not surprising themes given Fonda's past. Fonda recently posted a TED talk.