the world health day celebration is depicted as a heart-d planet covered with red pebbles

world health day global awareness april organization healthcare medicine lifestyle healthy heart shape fitness wellness prevention diet nutrition exercise wellbeing mental physical habits balance vitality hygiene care medical treatment clinic wellnessday healthpromotion awarenesscampaign community doctors nurses healthworkers vaccination immunity globalhealth sustainability wellnessgoals education recovery planet stone mindfulness therapy celebration depicted heart-shaped covered red pebbles honor there reminder importance which celebrated