
This 40-minute, twice-a-week workout could turn back the aging clock by decades: Biochemist shares the ‘gold standard’ routine for busy professionals
Published on: Sept. 11, 2025, 11:36 p.m. | Source: The Economic Times
Dr. Rhonda Patrick, a leading biochemist, recommends the Norwegian 4×4 protocol—a high-intensity workout performed just once or twice weekly—to reverse age-related heart damage. Backed by research, it improves cardiovascular fitness and heart structure, making hearts appear 20 years younger. With sessions lasting 30-40 minutes, this practical, science-based routine offers a sustainable and effective way to enhance longevity, protect against heart disease, and fit into even the busiest schedules.