The Quiet Accelerators

By Dean Whitney

A Get Better Lab research report

Executive summary

Three quiet forces speed up aging long before a scale, a mirror, or a standard checkup shows anything: fat stored deep around the organs, everyday chemicals that behave like hormones, and cells that run short of energy. Each one is measurable, and each responds to how a person lives.

Visceral fat sits around the liver and intestines and behaves like an active gland, releasing fatty acids and inflammatory signals that drive insulin resistance and fatigue. It can grow without the scale moving: two weeks of four-hour nights raised visceral fat by 11% in healthy young adults (Mayo Clinic, JACC, 2022).

Endocrine-disrupting chemicals such as BPA, phthalates, and PFAS enter the body through food packaging, receipts, and bottled water. Five days of canned soup raised urinary BPA by 1,221% (Harvard, JAMA, 2011).

Both burdens converge on the mitochondria, the structures that power every cell and that also sense and respond to stress. When energy runs short, the brain protects basic functions first, and focus, memory, and mood pay the price.

The most surprising countermeasure is purpose. People with a strong sense of purpose show a calmer inflammatory gene profile (PNAS, 2013) and were about 2.4 times more likely to remain free of Alzheimer's disease (Archives of General Psychiatry, 2010). Get Better works on both fronts: the daily habits that clear these burdens, and the Calling that gives a person a reason to keep them.

Visceral fat: the fat you can't see

Subcutaneous fat sits just under the skin. Visceral fat is packed around the liver, pancreas, and intestines, and it's far more active. It releases free fatty acids straight into the portal vein that feeds the liver, along with inflammatory signaling molecules. Over time that traffic pushes the liver toward fat storage and the body toward insulin resistance, a state where cells stop responding cleanly to insulin and energy regulation starts to drift.

This is why weight alone is a poor guide. Two people can weigh the same and carry very different amounts of visceral fat, and someone can add visceral fat while the scale barely moves.

Sleep loss moves fat to the wrong place

In a randomized study at Mayo Clinic, 12 healthy, non-obese adults spent about two weeks sleeping four hours a night. They ate roughly 300 extra calories a day. Total abdominal fat rose 9%, and visceral fat rose 11%, a shift that weight measurements alone would have missed (Covassin et al., Journal of the American College of Cardiology, 2022).

Processed food reaches the brain quickly

A 2025 study from the University of Tübingen gave 29 healthy young men about 1,500 extra calories a day of highly processed snacks for five days. Their liver fat increased, and insulin sensitivity in the brain fell. That brain effect was still present a week after they returned to their normal diet (Kullmann et al., Nature Metabolism, 2025). Short bursts of overeating appear to leave a longer metabolic footprint than most people assume.

Hormonal transitions change the math

The Study of Women's Health Across the Nation (SWAN) tracked body composition through menopause. As the transition begins, the rate of fat gain roughly doubles and lean mass starts to decline, and both trends continue until about two years after the final menstrual period (Greendale et al., JCI Insight, 2019). The study measured total fat rather than visceral fat specifically, but it marks a window when the same habits produce different results.

A simple screen

Waist circumference is a practical first check. The National Heart, Lung, and Blood Institute treats a waist above 35 inches in women and 40 inches in men as a marker of higher risk (NHLBI). Imaging such as DEXA gives a direct visceral fat estimate for anyone who wants a precise baseline.

Everyday chemicals that act like hormones

Endocrine-disrupting chemicals are compounds that can mimic, block, or distort the body's hormone signals. The best studied are bisphenols such as BPA (found in some can linings and thermal paper receipts), phthalates (used to soften plastics and carry fragrance), and PFAS (water- and grease-resistant coatings that persist in the body for years). Hormones work at very low concentrations, so small exposures repeated daily can matter more than a single large one.

Packaging shows up in the body within days

In a crossover trial at the Harvard School of Public Health, 75 volunteers ate a serving of canned soup daily for five days, then fresh soup for five days. After the canned week, urinary BPA was 1,221% higher (Carwile et al., JAMA, 2011). The levels fell once the canned food stopped, which is the encouraging half of the finding.

Skin is a route, too

Researchers at the University of Missouri found that holding a thermal paper receipt right after using hand sanitizer led to rapid absorption of BPA through the skin, with measurable increases in blood and urine shortly after (Hormann et al., PLoS ONE, 2014). Sanitizers and lotions can act as carriers that help these compounds cross the skin barrier.

Bottled water carries particles too small to see

Using a new imaging method, researchers at Columbia and Rutgers counted roughly 240,000 plastic particles per liter in bottled water, and about 90% were nanoplastics small enough to pass into cells (Qian et al., PNAS, 2024). Whether those particles harm health at these levels has not been established. The finding mainly shows how much exposure had gone uncounted.

Hormone levels track exposure

An analysis of 2,208 participants in the National Health and Nutrition Examination Survey linked higher phthalate exposure with lower testosterone. Women aged 40 to 60 had 10.8% to 24% lower levels, and boys aged 6 to 12 had 24% to 34.1% lower levels (Meeker and Ferguson, Journal of Clinical Endocrinology and Metabolism, 2014). The data are observational, so they show association rather than cause, but testosterone supports muscle, energy, mood, and metabolic health in both sexes.

The connection to fat and energy

Several of these compounds are studied as possible "obesogens" because they can influence how fat cells form and store energy, and laboratory work points to effects on mitochondrial function. Human evidence is still developing. The practical case for lowering exposure doesn't depend on settling every question, since the changes involved are low cost and easy to sustain.

The energy behind aging: mitochondria and the brain

Mitochondria turn food and oxygen into ATP, the energy currency every cell runs on. The brain is about 2% of body weight and uses roughly a fifth of the body's resting energy, so it feels an energy shortfall early. When supply tightens, the body protects essential functions first. Higher capacities such as sustained focus, working memory, emotional steadiness, and motivation are the first to thin out.

More than power plants

Martin Picard's lab at Columbia University describes mitochondria as information processors as well as energy producers. They sense stress hormones, nutrients, and inflammation, and they send signals that shape how cells, and eventually the whole body, respond. Picard calls this field mitochondrial psychobiology. In a 2023 study, his team found that chronic stress in mice changed mitochondrial function in specific brain regions and in tissues throughout the body (Picard Lab, Columbia University). Psychological stress, in other words, leaves a measurable energetic signature.

Where the three drivers meet

Visceral fat sends fatty acids and inflammatory signals into circulation. Endocrine-disrupting chemicals interfere with hormone signaling, and laboratory studies point to direct effects on mitochondrial function. Sleep loss and chronic stress add their own load. Each of these raises the energy cost of simply staying balanced, and the cost comes out of the same budget a person needs for clear thinking and good days.

Muscle as the largest energy reserve

Skeletal muscle holds a large share of the body's mitochondria and takes up most of the glucose after a meal. Losing muscle with age (sarcopenia) shrinks that capacity and makes blood sugar harder to manage. Building and keeping muscle is one of the most direct ways to expand the body's energy reserve.

Short bouts count

A study of more than 25,000 adults who reported no exercise used wrist-worn trackers to measure brief, vigorous bursts of everyday activity, such as climbing stairs quickly or carrying heavy shopping. Three to four one-minute bouts a day were associated with up to 40% lower all-cause and cancer mortality and up to 49% lower cardiovascular mortality (Stamatakis et al., Nature Medicine, 2022). The study was observational, but it suggests the threshold for meaningful benefit is lower than many people believe.

Nutrient support for an aging brain

A meta-analysis of the COSMOS trials, covering about 5,000 older adults, found that a daily multivitamin was linked to cognitive aging that was slower by about two years compared with placebo (Vyas et al., American Journal of Clinical Nutrition, 2024). It's a modest, inexpensive step, and anyone considering supplements should review them with their physician.

Purpose as biology

Purpose is usually filed under philosophy or motivation. The research suggests it also belongs with sleep, movement, and nutrition, as something the body registers and responds to.

Purpose and the brain

Researchers at Rush University Medical Center followed 951 older adults without dementia for up to seven years. Participants with a strong sense of purpose were about 2.4 times more likely to remain free of Alzheimer's disease than those with low purpose. They also had a lower risk of mild cognitive impairment and a slower rate of cognitive decline (Boyle et al., Archives of General Psychiatry, 2010).

Purpose and gene expression

A study from UCLA and the University of North Carolina looked at two kinds of well-being. Hedonic well-being comes from pleasure and comfort. Eudaimonic well-being comes from meaning and contributing to something larger than oneself. People high in eudaimonic well-being showed lower activity in a stress-related gene pattern called the conserved transcriptional response to adversity, in which inflammation genes switch up and antiviral genes switch down. People whose well-being was mostly hedonic showed higher activity in the same pattern (Fredrickson et al., PNAS, 2013). Two people can report feeling equally good while their cells read the situation very differently.

Why this matters for the hidden drivers

Visceral fat, hormone disruption, and mitochondrial strain all feed inflammation. Purpose appears to work on the same system from the other direction. It also changes behavior. People with a clear reason to protect their energy tend to sleep, move, and eat in ways that support it, and they keep those habits longer.

This is the link between the Human and the Being in the Get Better framework. The Human is the body, brain, and survival biology that carry these burdens. The Being is the conscious, purposeful self that gives the effort direction. Treating only the Human produces protocols that are hard to sustain. Engaging the Being gives those protocols a reason to last.

Countermeasures through the Get Better system

The Get Better system has three parts. Self-Awareness shows where a person stands. The Get Better Framework (Calling built on the Growth Foundation) defines where they want to go and creates a three to five year vision. The Life Transformation System is where the change actually happens, through how the 168 hours of each week are spent. The hidden drivers in this report map onto all three.

Self-Awareness: make the invisible visible

These drivers are quiet by nature, so the first step is measurement. Useful baselines include waist circumference, a DEXA scan for visceral fat and lean mass, fasting glucose and insulin, a lipid panel, and hormone levels reviewed with a physician. The Life Quality Score adds the felt side: energy, focus, mood, and how aligned daily life feels. In our working model, emotional vibration is the output, the four drivers of Calling, Health, Connection, and Resources are the inputs, and the LQS is the tracer that follows how they move together. We treat a falling Health score alongside steady external success as a signal worth investigating, a hypothesis we are testing rather than a proven diagnostic.

The Growth Foundation: where each driver lives

Calling: the reason the habits last

Calling follows a cycle of Learn, Master, Improve, and Transcend. It gives a person something to protect. Someone who wants to do their best work for another twenty years has a concrete reason to guard sleep, build muscle, and cut exposures. The purpose research suggests this reason also shows up in biology.

The Life Transformation System: where change is made

We can do anything, but we can't do everything. The Life Transformation System starts with the foundation, because you can't build the second floor first. For most people that means sleep and daily movement before anything else, then food and environment, then refinement. Each change is small enough to keep and specific enough to schedule within the 168-hour week. The goal is to do the right thing and to do the thing right.

None of these steps is dramatic, and that's the point. Quiet drivers respond best to quiet, consistent countermeasures that compound over years.

Key takeaways

• Weight is a weak signal. Visceral fat can rise 11% in two weeks of short sleep with little change on the scale. Waist circumference and body composition scans tell more.
• Exposure responds quickly to change. Urinary BPA rose 1,221% after five days of canned soup and fell once participants switched to fresh food.
• The skin and water are routes too. Sanitizer speeds BPA absorption from receipts, and bottled water carries hundreds of thousands of plastic particles per liter. Health effects of the particles are not yet established.
• Energy is the common currency. Visceral fat, hormone disruption, sleep loss, and stress all strain mitochondria, and the brain's higher functions feel it first.
• Muscle is the largest energy reserve. Strength training and short vigorous bouts expand capacity and help manage blood sugar.
• Purpose is measurable in the body. High purpose was linked with 2.4 times the likelihood of staying free of Alzheimer's and with a calmer inflammatory gene profile.
• Sequence matters. Measure first, then build the foundation of sleep and movement, then address food and environment, with Calling as the reason to keep going.

Sources

01. Covassin N, et al. Effects of experimental sleep restriction on energy intake, energy expenditure, and visceral obesity. Journal of the American College of Cardiology, 2022. Mayo Clinic summary
02. Kullmann S, et al. Short-term high-calorie snacking and brain insulin sensitivity. Nature Metabolism, 2025. Link
03. Greendale GA, et al. Changes in body composition and weight during the menopause transition. JCI Insight, 2019. Link
04. National Heart, Lung, and Blood Institute. Assessing your weight and health risk. Link
05. Carwile JL, et al. Canned soup consumption and urinary bisphenol A. JAMA, 2011. Harvard summary
06. Hormann AM, vom Saal FS, et al. Holding thermal receipt paper and eating food after using hand sanitizer results in high serum bioactive and urine total levels of BPA. PLoS ONE, 2014. Link
07. Qian N, et al. Rapid single-particle chemical imaging of nanoplastics by SRS microscopy. PNAS, 2024. Link
08. Meeker JD, Ferguson KK. Urinary phthalate metabolites are associated with decreased serum testosterone in men, women, and children from NHANES 2011 to 2012. Journal of Clinical Endocrinology and Metabolism, 2014. Link
09. Picard M, et al. Mitochondrial psychobiology research. Columbia University. Link
10. Stamatakis E, et al. Association of wearable device-measured vigorous intermittent lifestyle physical activity with mortality. Nature Medicine, 2022. Link
11. Vyas CM, et al. Effect of multivitamin-mineral supplementation versus placebo on cognitive function. American Journal of Clinical Nutrition, 2024. Link
12. Boyle PA, et al. Effect of a purpose in life on risk of incident Alzheimer disease and mild cognitive impairment. Archives of General Psychiatry, 2010. Summary
13. Fredrickson BL, Cole SW, et al. A functional genomic perspective on human well-being. PNAS, 2013. Summary

This report reviews published research for a general audience. It is not medical advice.

About Get Better Lab

Get Better Lab is a Boston-based personal growth company founded by technology entrepreneur, author and Shark Tank alum Dean Whitney. The company builds tools, programs and coaching grounded in the Get Better framework, a neuroscience-based system for understanding where a life stands and changing its direction. Learn more at GetBetterLab.com and GetBetterApp.com.

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