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As “biohacks” like peptides, cold plunges and high-tech wearables grow in popularity, some advocates promote the idea of dramatically extending human life — but others say it’s better to focus on more healthy years rather than living forever.
Dr. Annu Navani — chief medical officer at Le Reve Wellness in San Jose, California, where she leads advanced regenerative and longevity medicine programs — said the biggest myth is that people will be able to live for a “very, very long period of time.”
“I do feel we have extended the human lifespan to some extent,” Navani, who is also founder of the World Institute of Regenerative Medicine, told Fox News Digital. “So yes, we are making progress, but I think it would be a false promise if we said people would live beyond 120 or 130 years of life.”
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Instead, Navani said the goal should be to improve the quality of the years people have.
“Longevity medicine is all about adding life to those years, not so much years to life,” she said.
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Longevity medicine does not necessarily have to mean costly procedures, supplements or biohacks, according to Navani.
For those who have limited time or money, the doctor recommends “starting from within the daily routines of smart practices.”
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Navani shared the following four pillars of health that form the foundation of longevity, all of which “don’t cost much money at all.”
No. 1: Maintaining quality sleep
“I think sleep is really understated in terms of its importance for overall health and longevity,” she said.
“Studies have shown that at least seven hours of sleep is [generally recommended] for a human being to be able to perform optimally, and has been linked to a good life and a decent health lifespan.”
The CDC’s guidance recommends seven or more hours for adults, but individual sleep needs vary.
Navani recommends eating at least three or four hours before bed, avoiding stimulating activities such as laptop use, and practicing calming routines like meditation, gratitude or journaling.
No. 2: Managing stress
Health agencies recommend managing stress through a combination of physical activity, optimal sleep, relaxation techniques, proper nutrition and social connections.
Navani said she begins her day with 20 minutes of meditation and gratitude, which helps calm her mind and relieve stress.
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She also recommends meditating in the evening as a way to unwind before bed.
No. 3: Adhering to a nutritious diet
General dietary guidance recommends building meals around a variety of vegetables, fruits, whole grains, lean proteins, and low-fat or fat-free dairy, while limiting added sugars, saturated fat and sodium.
A balanced eating pattern should also be tailored to a person’s age, health needs and preferences, according to the U.S. Department of Agriculture’s guidance.
No. 4: Sticking to a regular exercise program
The CDC recommends at least 150 minutes of moderate aerobic activity — or 75 minutes of vigorous activity — plus muscle-strengthening activity on at least two days per week.
Navani identified high-intensity resistance training as her pick for the most important habit for people in their 50s and beyond.
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“Studies have shown how it builds bone health and helps musculoskeletal blood flow,” she said. “Muscle strength and muscle resilience are linked to health span and longevity, as they impact cardiovascular and neurovascular health.”
Navani also identified VO₂ max — which is the maximum amount of oxygen the body can use during intense exercise — as an important marker of overall health and longevity.
“I think VO₂ max is a really important key biomarker that has been shown in quite a few studies to be linked positively to good health and longer lifespan,” she said.
The metric is widely used as a measure of cardiorespiratory fitness, reflecting how efficiently the heart, lungs and muscles work together.
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For some older adults or people with health conditions, lower-intensity or supervised strength training may be more appropriate, experts say.
Navani emphasized that it’s never too late to meaningfully improve health span.
“I often say if you didn’t start in your 20s, the best time to start is today,” she said. “I have a lot of patients who come to me when they are 55 and 60 and we start the journey then.”
One-hour kickstart
The longevity doctor shared her own simple morning routine that she follows to kick-start each day, which includes breaking the first hour of the day into three 20-minute segments.
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The first segment focuses on meditation and gratitude.
“The first 20 minutes is just meditating and waking up and kind of just being grateful and thankful,” she shared. “That helps calm me down and relieves stress.”
The second 20-minute segment is devoted to movement, which includes stretching, exercising and resistance training.
The final 20 minutes are reserved for reading, she said: “I read something that I really want to capture in my brain, something I want to remember.”
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Navani advised against immediately reaching for the phone or opening email first thing in the morning, instead recommending using that time to read something intellectually engaging.
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