Ismael Cala convenes a free Meditation Challenge through the app "Escala Meditando" USA - English Share this article It will be between March 15 and 22 with the theme of Elevating self-esteem. MIAMI, March 10, 2021 /PRNewswire/ -- Communicator, author, and strategist Ismael Cala will guide the first meditation challenge of 2021 between March 15 and 22 through the app "Escala Meditando", completely free, with the theme of Elevating self-esteem. "Self-esteem is one of the most relevant factors for personal well-being and is key to relating to the environment in a positive way. Confidence and value as a human being are precious psychological resources. A healthy individual can resist unpleasant evaluations, both internally and externally, and that is called self-esteem," explained Cala.