What Kind of Diet Did Jack LaLanne Have?
                                
                                
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                                    4 min read                                
                            
                                In 1929, at the age of 15, Jack LaLanne radically changed his unhealthy lifestyle, kickstarting a lifelong devotion to health and fitness. He developed a diet emphasizing whole, natural foods, a pescetarian approach, and the complete avoidance of processed items.