As Yoga Journal turns 40, aging is on our minds. And it's worth mentioning that while we hope to practice asana to the very end, it's likely that eventually some poses will become less accessible and less safe. Meditation practice, on the other hand, only has the potential to deepen and sweeten over time (not to mention slow the entire aging process among other benefits). So what are you waiting for? Explore this collection of 10 guided meditations and bookmark your favorites for years to come.