I've always been willing to take risks and chances. Often I'm on talk shows and hosts will ask 'How do you feel about it, when people say you're controversial?' And I say that, 'I think if I stop being controversial, I wouldn't be doing my job.

It's rare - too rare, I have to say - for botanists to become doctors.

As an American, you have a right to good health care that is effective, accessible, and affordable, that serves you from infancy through old age, that allows you to go to practitioners and facilities of your choosing, and that offers a broad range of therapeutic options.

Among other things, neuroplasticity means that emotions such as happiness and compassion can be cultivated in much the same way that a person can learn through repetition to play golf and basketball or master a musical instrument, and that such practice changes the activity and physical aspects of specific brain areas.

Imagine that each time you inhale, that the universe is breathing into you, and as you exhale it is breathing out of you.

We're all affected by music. It has the power to inspire, uplift us, change our moods, and even alter consciousness.

For many in the modern world, carving out time for both traditional seated meditation and exercise has become close to impossible.