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I sat down with Dr Rhonda Patrick and she shared this: The Norwegian 4x4 Protocol can reverse heart ageing by 20 years. 4 minutes intense exercise, 4 minutes recovery, repeat 4 times. In 2 years, a 50-year-old heart can look like a 30-year-old’s. Once per week is the minimum... show more

Steven Bartlett

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267,590 views • 11 months ago •via X (Twitter)

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A 2-year exercise regimen reversed up to 20 years of heart aging in sedentary 50-year-olds By training 5-6 hours per week, their hearts became structurally younger—more like a 30-year-old’s The protocol used by Dr. Benjamin Levine’s team: • Norwegian 4x4 Intervals: 4 min. at the maximum intensity you can sustain (for a given pace, this is usually ~85-95% HRmax), 3 min. of low-intensity recovery (~70% HRmax), repeat 4x weekly • Recovery Aerobics: 20-30 min. light exercise • Endurance Sessions: 1+ hr. endurance training, plus separate 30-min. base pace weekly • Strength Training: Twice weekly Exercise is powerful medicine

A 2-year exercise regimen reversed up to 20 years of heart aging in sedentary 50-year-olds By training 5-6 hours per week, their hearts became structurally younger—more like a 30-year-old’s The protocol used by Dr. Benjamin Levine’s team: • Norwegian 4x4 Intervals: 4 min. at the maximum intensity you can sustain (for a given pace, this is usually ~85-95% HRmax), 3 min. of low-intensity recovery (~70% HRmax), repeat 4x weekly • Recovery Aerobics: 20-30 min. light exercise • Endurance Sessions: 1+ hr. endurance training, plus separate 30-min. base pace weekly • Strength Training: Twice weekly Exercise is powerful medicine

FoundMyFitness Clips

195,393 views • 1 year ago

50-year-old sedentary people reversed 20 years of heart aging in just 2 years. Rhonda Patrick shared an incredible study: They took healthy but inactive 50-year-olds and put them on an intense exercise protocol (5-6 hours/week, including hard intervals like the Norwegian 4x4). After two years, their hearts structurally looked like 30-year-olds. It’s never too late. Vigorous aerobic exercise can induce "reverse remodeling" of the heart. Studies (including Ben Levine’s work) show it increases left ventricular mass and compliance in middle-aged adults, effectively making an aging, stiff heart more youthful and reducing long-term cardiovascular risk.

50-year-old sedentary people reversed 20 years of heart aging in just 2 years. Rhonda Patrick shared an incredible study: They took healthy but inactive 50-year-olds and put them on an intense exercise protocol (5-6 hours/week, including hard intervals like the Norwegian 4x4). After two years, their hearts structurally looked like 30-year-olds. It’s never too late. Vigorous aerobic exercise can induce "reverse remodeling" of the heart. Studies (including Ben Levine’s work) show it increases left ventricular mass and compliance in middle-aged adults, effectively making an aging, stiff heart more youthful and reducing long-term cardiovascular risk.

Camus

271,899 views • 27 days ago

Two years of vigorous exercise reversed about 20 years of structural heart aging in sedentary 50-year-olds By gradually building to 5–6 hours/week of training, participants reversed the shrinking and stiffening that comes with age The protocol: • Norwegian 4x4 intervals (once per week initially, later twice per week, eventually back to once per week) • Recovery aerobics (20–30 min. light exercise on days following intervals) • Endurance sessions (1+ hr. endurance training, plus a 30-min. base pace session weekly) • Strength training twice weekly The takeaway: even at 50, the heart can regain size and flexibility with enough structured training

Two years of vigorous exercise reversed about 20 years of structural heart aging in sedentary 50-year-olds By gradually building to 5–6 hours/week of training, participants reversed the shrinking and stiffening that comes with age The protocol: • Norwegian 4x4 intervals (once per week initially, later twice per week, eventually back to once per week) • Recovery aerobics (20–30 min. light exercise on days following intervals) • Endurance sessions (1+ hr. endurance training, plus a 30-min. base pace session weekly) • Strength training twice weekly The takeaway: even at 50, the heart can regain size and flexibility with enough structured training

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Two years of vigorous exercise reversed the age-related structural changes in the hearts of sedentary 50-year-olds by about 20 years The protocol used by Dr. Ben Levine's team: • Norwegian 4x4 intervals (initially once per week, later increased to twice per week, eventually returning to once/week) • Strength training (twice weekly) • Recovery aerobics (20-30 minutes of light exercise) • Endurance sessions (weekly 1+ hour endurance training, plus a separate 30-min base-pace session) A few notes: • Exercise intensity and frequency gradually increased from the start • By 6 months, participants were exercising 5–6 hours/week

Two years of vigorous exercise reversed the age-related structural changes in the hearts of sedentary 50-year-olds by about 20 years The protocol used by Dr. Ben Levine's team: • Norwegian 4x4 intervals (initially once per week, later increased to twice per week, eventually returning to once/week) • Strength training (twice weekly) • Recovery aerobics (20-30 minutes of light exercise) • Endurance sessions (weekly 1+ hour endurance training, plus a separate 30-min base-pace session) A few notes: • Exercise intensity and frequency gradually increased from the start • By 6 months, participants were exercising 5–6 hours/week

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2 years of vigorous exercise in 50-year-olds was able to reverse the aging of their hearts by 20 years! Effectively making the heart look more like a 30-year-old's The power of exercise.... Astonishing, really

2 years of vigorous exercise in 50-year-olds was able to reverse the aging of their hearts by 20 years! Effectively making the heart look more like a 30-year-old's The power of exercise.... Astonishing, really

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How to reverse 20 years of heart aging Sedentary 50-year-olds followed a vigorous-intensity exercise protocol for 2 years By 6 months, they were doing 4-5 hours/week of training The end result... The structural changes in their hearts reverted by nearly 20 years That's the power of exercise It's literally medicine

How to reverse 20 years of heart aging Sedentary 50-year-olds followed a vigorous-intensity exercise protocol for 2 years By 6 months, they were doing 4-5 hours/week of training The end result... The structural changes in their hearts reverted by nearly 20 years That's the power of exercise It's literally medicine

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48,721 views • 1 year ago

2 years of vigorous exercise in 50-year-olds was able to reverse the age-related structural changes of their hearts by up to 20 years Effectively making the heart look more like a 30-year-old's That's the power of exercise

2 years of vigorous exercise in 50-year-olds was able to reverse the age-related structural changes of their hearts by up to 20 years Effectively making the heart look more like a 30-year-old's That's the power of exercise

FoundMyFitness Clips

509,595 views • 2 years ago

An intense two-year exercise regimen, gradually increasing to 5–6 hours per week, reversed up to 20 years of age-related structural changes and stiffness in the hearts of sedentary 50-year-olds This is the protocol, totaling 5-6 hours per week, that Dr. Benjamin Levine and colleagues utilized: • Norwegian 4x4 interval training (once a week, later increasing to twice a week, and eventually going back to just once weekly) • Light aerobic activity on recovery days (on days following interval training sessions, participants engaged in light exercises lasting 20 to 30 minutes ) • Endurance base building (an hour-long, or longer, endurance session and a 30-minute base pace session each week) • Strength training sessions twice weekly Exercise is indeed medicine

An intense two-year exercise regimen, gradually increasing to 5–6 hours per week, reversed up to 20 years of age-related structural changes and stiffness in the hearts of sedentary 50-year-olds This is the protocol, totaling 5-6 hours per week, that Dr. Benjamin Levine and colleagues utilized: • Norwegian 4x4 interval training (once a week, later increasing to twice a week, and eventually going back to just once weekly) • Light aerobic activity on recovery days (on days following interval training sessions, participants engaged in light exercises lasting 20 to 30 minutes ) • Endurance base building (an hour-long, or longer, endurance session and a 30-minute base pace session each week) • Strength training sessions twice weekly Exercise is indeed medicine

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259,458 views • 1 year ago

Two years of structured, vigorous exercise reversed about 20 years of age-related structural changes in the hearts of sedentary 50-year-olds Under Dr. Ben Levine’s protocol, participants gradually built up to 5–6 hours/week of training, including Norwegian 4x4 intervals, endurance sessions, and strength work By the end, the size and stiffness of their hearts resembled those of a typical 30-year-old Vigorous exercise is powerful medicine

Two years of structured, vigorous exercise reversed about 20 years of age-related structural changes in the hearts of sedentary 50-year-olds Under Dr. Ben Levine’s protocol, participants gradually built up to 5–6 hours/week of training, including Norwegian 4x4 intervals, endurance sessions, and strength work By the end, the size and stiffness of their hearts resembled those of a typical 30-year-old Vigorous exercise is powerful medicine

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If you're serious about improving your cardiorespiratory fitness, forget the guesswork—research shows the Norwegian 4x4 protocol is your best bet This method focuses on four intense 4-minute intervals at the highest pace you can maintain, separated by three minutes of recovery Whether you're on a treadmill, rowing machine, or bike, this approach is a science-backed way to boost your VO2 max

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