Two ways of achieving this are exercise and spending time in nature.
For maximum benefit we can combine the two.
Doctors in the UK and US are increasingly writing prescriptions for outdoor activity.
Australia is specifically exploring the health and medical benefits that its national parks can bring. And the Appalachian Mountain Club is working with MassGeneral Hospital (ranked best hospital in the USA, 2015) to prescribe regular outdoor physical activity for children.
On the one hand it might seem crazy that we have forgotten to do something as simple as get out into nature and take exercise. But on the other hand it works. People who take exercise outside lose weight and feel happier.
So, as a next step, you can either choose to read more here. Or get out there this weekend!