They say "Mindfulness could help us unlearn fear."

Throughout evolutionary history, fear has helped humans stay safe and thrive. But in the modern world, many fear responses — such as phobias — are, at best, unhelpful and, at worst, debilitating.

Finding life's meaning can keep us healthy as we age

A new study finds a correlation between a sense of meaning and physical and mental well-being as we grow older.The older people get, the more their lives might change. For example, their friends and

Substance in our daily lives will help to make us happy.

Substance in this context is the actual matter of a thing, as opposed to the appearance, shadow or reality. So substance is what is real or factual. And factual events in our lives can make us happy.