India, Nov. 18 -- For the longest time, there has been a debate among humans over true happiness. Is it attained through material gains or spiritual means? Is it about physical well-being, or is it related to mental contentment?

Now, Shigehiro Oishi, a professor of psychology at the University of Chicago, has given his own take on the matter. He spoke on the 10% Happier with Dan Harris podcast about how humans experience happiness.

"Happiness is really about feeling comfortable, secure, and content," Oishi said, as reported by CNBC. "Meaning in life oftentimes has three components."

Explaining these three components, the professor said that these are the feelings that one's life matters, that one's life is purposeful, and that one fits...