Yes, you can be insulin resistant with normal blood sugar, because glucose is the last marker to rise while fasting insulin climbs first, and a fasting insulin under 5 is the target almost nobody tests.

• What to do: Ask for fasting insulin, hemoglobin A1C and fasting glucose, then check your waist to hip ratio and body composition instead of trusting glucose alone.
• Why it matters: One patient had glucose under 110 after two colas worth of sugar yet an insulin near 300, and doctors who test only glucose miss many cases.
• How to apply it: Cut starch and sugar, eat protein, fat and 30 grams of fiber, walk 10 to 20 minutes after meals, lift weights, sleep well and fast 12 to 14 hours overnight.
• Metrics: Fasting glucose 70 to 90, fasting insulin under 5, A1C about 5.0 to 5.2, post meal glucose under 110 to 120, waist to hip ratio under 0.8 for men and 0.9 for women.
• Tools: Function Health tests with an insulin resistance score from 0 to 100, a continuous glucose monitor for a few weeks and a tape measure.
• Risks: Statins, sleep apnea, chronic stress and artificial sweeteners can worsen insulin resistance or cravings.
• Exceptions: A glucose spike after eating is normal, and thin people can still carry hidden fat, so body composition matters more than weight.

Supplements work best as the third layer after behavior and nutrition, and the smartest move is to test one single ingredient formula at a time for about a week, because that is how you find the minimum effective dose and drop whatever does nothing for you.

• What to do: Answer three questions first: how well do you sleep, how good is your nutrition and what is your budget. With about $100 a month or more, start with a broad foundational formula (vitamins, minerals, digestive enzymes, probiotics, prebiotics, adaptogens).
• Why it matters: No supplement or drug can make up for poor sleep, light exposure, exercise and food for long. Ingredients also behave differently in different people, and the ideal dose for you may even be zero.
• How to apply it: For sleep, avoid caffeine after 2 p.m. and food in the last 2 hours. To fall asleep faster, try magnesium threonate or apigenin for one week each. For waking at night, consider 900 mg myo inositol. For focus, keep stimulants (caffeine) separate from neuromodulators (alpha GPC 300 to 600 mg, L tyrosine 500 to 1,000 mg).
• Metrics: Aim for more than 1 g of EPA a day from fish oil. Fadogia agrestis is around 600 mg a day, cycled 8 weeks on and 2 off, or 12 weeks on and 1 month off. Tongkat ali is around 200 to 600 mg a day, with blood work after 8 to 12 weeks. Protein is about 1 g per pound of body weight.
• Tools: Examine.com for ingredient forms, and a high quality omega 3 as the single most impactful supplement.
• Risks: Fadogia agrestis can be toxic to testicular cells at high doses, alpha yohimbine can cause strong anxiety, and melatonin doses are far above natural levels and may not keep you asleep.
• Exceptions: Skip theanine if intense dreams wake you at night. Women should expect some supplements to act differently across the menstrual cycle. Always check with a physician before changing any protocol.

Plaque biofilm that your toothbrush cannot reach hardens into tartar, and that step turns bleeding gums into periodontal disease, an infection that can destroy the bone holding your teeth in place.

• What to do: Clean between your teeth every day with floss, floss picks, interdental brushes or a water flosser. The method matters less than doing it.
• Why it matters: Gum disease is linked with heart disease, diabetes and chronic kidney disease. Diabetes and gum disease affect each other in both directions, so poor gums can make blood sugar harder to control.
• How to apply it: If you have not flossed consistently, start today, because there is always a point in starting. If your gums bleed, keep cleaning gently. Bleeding is usually a sign they need more consistent cleaning, not less.
• Metrics: The progression runs from plaque to gingivitis (red, swollen, tender, bleeding gums) to tartar, then to periodontal disease and, in advanced cases, tooth loss.
• Tools: String floss, floss picks, interdental brushes and water flossers all disrupt the biofilm between teeth.
• Risks: Tartar is hardened plaque attached to the tooth, and neither brushing nor flossing removes it. Only a dental professional can.
• Exceptions: Persistent bleeding can have other causes, so talk to your dental provider. If you have not had a professional cleaning in a while, book one, then restart your routine.

Nano fat injected under the eyes thickened thin skin and hid visible blood vessels within about four months, and it beat a CO2 laser and PRP because it rebuilds tissue quality instead of just filling a hollow.

• What to do: Name your main problem before buying anything: pigment, visible vessels, hollowness, temporary puffiness, a structural bag or thin crepey skin. Most people have more than one.
• Why it matters: Skin care can improve hydration, collagen support and pigment, but it cannot fill a tear trough or remove a fat pad. Asking a cream to do surgery work wastes hundreds or thousands of dollars.
• How to apply it: Use hydrating, brightening skin care around the eyes, keep filler very conservative, and consider a clinic procedure only when you keep thinking about the problem and the treatment matches its cause.
• Metrics: PRP and PRF needed repeat sessions every 3 to 4 months. The fat transfer took about 4.5 hours under local anesthesia, and roughly 50% of micro fat can be reabsorbed. Visible improvement appeared around month 3 and was clear at month 4.
• Tools: Major Fade Hyper Serum for hydration, antioxidants and brightening, plus Major Fade Active Seal for vitamin C, glutathione and peptides.
• Risks: Too much hyaluronic acid filler attracts water and looks puffy, heavy or more tired. Fat transfer is real surgery with soreness at the donor site, and it is not a yearly procedure.
• Exceptions: A true under eye bag or severe hollowness may need surgery, and Botox cannot replace lost volume.

Humans are far more olfactory than they admit: after a handshake people sniff their own hands, and invisible body odor can predict friendship, spread fear and cut men's free testosterone by about 14% within 20 to 30 minutes.

• What to do: Treat smell as a real social channel. Notice the hand-to-face sniffing that follows handshakes and give some weight to first impressions that "just click", because odor similarity predicted how friendly strangers rated each other.
• Why it matters: About 7 million receptors of roughly 350 types feed the olfactory bulb, which connects directly to the amygdala and hypothalamus, so odor can shift arousal, aggression and hormones without conscious awareness.
• How to apply it: Read "pheromone" claims with caution and use the term chemosignals instead. Remember that baby odor (hexadecanal) lowered aggression in men but raised it in women, so the same signal does not act the same way in everyone.
• Metrics: 14% drop in free testosterone after sniffing tears; 15 of 16 people identified digitized violets; a perceptual map of 4,000 molecules.
• Tools: Electronic nose with metal oxide sensors, the Taylor Aggression Paradigm and fMRI.
• Risks: Smell digitization is at the "1956 black and white TV" stage; rose and anise recreations failed, so do not expect products from it soon.
• Exceptions: Odor similarity predicted friendship ratings but not performance in the mirror game, and the tear effect was shown for men sniffing women's tears.

A family physician with 22 years of practice says a keto carnivore diet, which they call a proper human diet, can heal down to the mitochondrial level and in many cases put severe mental health disorders into complete remission, based on patient stories rather than trials.

• What to do: If you live with anxiety, depression or brain fog, talk to your doctor and consider a time-limited trial of a keto carnivore diet built on meat, eggs and animal fat.
• Why it matters: The physician has seen patients on a handful of medications with side effects such as lost sexual desire, and reports hope returning once they changed how they ate.
• How to apply it: Eat the meat without buying supplements or products, note your mood, anxiety and mental clarity week by week, and do not change psychiatric medication without professional supervision.
• Metrics: Stories in the video include Todd, who describes symptoms gone in three weeks, and a person with schizophrenia discharged within a month or two after decades in an institution.
• Risks: These are testimonies, not controlled studies, so stopping prescribed medication on your own could be harmful.
• Exceptions: The approach is not only a weight loss diet, and people without a formal diagnosis but with constant fog and fatigue are also part of the picture.

Almost everyone wakes between 1 and 3 a.m. because core body temperature starts rising again after dropping overnight, which moves you into lighter sleep, and what you do in the next few minutes decides whether you drift off or spiral.

• What to do: Skip the bathroom trip unless you truly need it (roll onto your back and count to 20 first), do not check the clock or phone, and start 4 7 8 breathing for 20 cycles.
• Why it matters: Falling asleep needs lower anxiety, temperature and heart rate. Standing up, doing clock math and forcing sleep raises all three, and a heart rate above about 60 makes unconsciousness hard.
• How to apply it: Breathe in for 4, hold for 7 and push out for 8, keeping the exhale longer than the hold. Track cycles by raising a finger each round. Build up with 4 5 6, then 4 6 7, over about a week. If you still cannot sleep, read a boring book in a set chair and return to bed when your eyes feel heavy.
• Metrics: Wake at the same time 7 days a week, because morning light sets melatonin to turn on roughly 14 hours later. Use the 3 2 1 rule: stop food and fluids 3 hours before bed, work 2 hours before, screens 1 hour before.
• Tools: LMNT electrolytes in the morning and an Oura ring to follow weekly trends, not nightly numbers. Counting backward from 300 by threes can also quiet a racing mind.
• Risks: Mouth taping can mask undiagnosed sleep apnea, especially after alcohol. Constantly checking trackers can cause orthosomnia, which is anxiety about sleep data.
• Exceptions: If you truly need to pee, go. If you feel electricity in your body like jet lag, that may be a body clock issue rather than a racing mind.

Motivation does not arrive before action: the feeling follows it, so the fix is the 5 second rule, counting 5-4-3-2-1 and moving the instant you hit one, before your brain can talk you out of it.

• What to do: Answer "what do I want from now on?", pick one small action that a person with that life would take, and count backwards 5-4-3-2-1 to start it even if you do not feel like it.
• Why it matters: Hesitation lasts under 5 seconds before you talk yourself out of a choice, and a streak of 21 days is not a habit. The body keeps its capacity to change at any age, even for a person who has never lifted a weight.
• How to apply it: Put the phone and alarm across the room, lay out workout clothes, leave creatine and a protein shot on the counter, pre-pick the workout the night before and keep treats out of the house. Tie your goal to a personal reason, such as protected time for yourself.
• Metrics: Hyman went from 10 push-ups at 50 to about 75 push-ups and 15 pull-ups after starting to lift at 59; The Let Them Theory sold 11 million copies in 19 months.
• Tools: Function Health lab data, a pre-planned workout, an audiobook for walks, and the ABC model (apologize, back off, compliment) to influence others.
• Risks: Pressuring a loved one to lose weight or take medication triggers resistance. Talk to your doctor before starting hormone therapy or changing medication.
• Exceptions: For big decisions such as a contract or a marriage, stop and think. The 5 second rule is for everyday choices you already know are right.

Bone mineral density predicts only about 70% of fracture risk because a two-dimensional DEXA misses bone shape, and lifting challenging loads can thicken the femoral neck cortex even when hip density barely changes.

• What to do: Do two strength sessions a week built on a squat, hinge, push, pull and carry, add balance moves and keep up daily activity such as walking, dancing or shoveling.
• Why it matters: Bone mass peaks in your 20s and about 5% of the skeleton is remodeled every year, so the goal after 65 is to hold on to bone and prevent falls.
• How to apply it: Use 8 to 12 repetitions, pick difficulty rather than maximum weight, try walking lunges and step-ups, and add a few sets of 10 to 12 small hops if your joints allow.
• Metrics: BMD explains about 70% of fracture risk, FRAX estimates 10 year fracture probability, and CTX and P1NP track bone resorption and formation.
• Tools: DEXA with 3D hip analysis, FRAX, a machine circuit for beginners, Function Health tests, Prolon and Momentous creatine appear in the episode.
• Risks: Calling an X-ray bone on bone can scare people away from exercise, and heavy loads with poor form raise injury risk for beginners.
• Exceptions: For someone using a walker with severe arthritis, the goal is function and fall prevention, not bone density.

You can keep doing hard things by switching between several drivers instead of relying on one, as ultra endurance swimmer Ross Edgley did over a 157 day swim around Great Britain, a 56 hour Yukon swim and 30 marathons in 30 days.

• What to do: Name your spokes before a hard task: because I said I would, fear of letting people down, love, anger, doing it for others, gratitude for what you can do and the absurd hero mindset.
• Why it matters: The anterior mid-cingulate cortex reportedly grows when you do hard things and shrinks when you avoid them, and one driver alone tends to fail during long, painful efforts.
• How to apply it: Focus on the next stroke or step instead of the clock, lower the stakes in your head when pressure builds, protect deep sleep and switch spokes when one fades.
• Metrics: Edgley swam almost 2,000 miles in about 157 days, 317 miles of the Yukon in 56 hours went 70 hours without sleep on the Yukon expedition and uses his pull-up one rep max as a strength reserve.
• Tools: Electrolytes, a glucose wearable, a temperature regulating mattress cover and a protein snack are mentioned as sponsor products, not as part of the model.
• Risks: Motives such as anger or ego can fuel you, but Edgley found records alone felt shallow and sleep loss can drain dopamine and serotonin.
• Exceptions: In ultra endurance an imperfect stroke is fine, while high stakes in precision tasks can overload the motor system and hurt performance.