Heartify App

🙌#WhoWeAre: An international #IT company founded in 2020 in Boston, Massachusetts, with around 20 employees worldwide. We developed the Heartify #iOS app, the fastest-growing aluminum-based #heart #health product that lets you know about heart-related issues and conditions🫀

@DearS_o_n The difference between athletes and everyone else isn't talent - it's recovery discipline. Your HRV tells you exactly whether yesterday's training built you up or broke you down. Most people train hard and recover randomly. Athletes train hard and recover on purpose.

At some point as a man, you should live like an athlete. You Eat on time, no junk, train every day, rest, no distractions, no parties. Just a dedicated life. Give it a try. You'll thank me later.

@AyusWellness Slow controlled breathing does something measurable - it amplifies respiratory sinus arrhythmia, which is one of the strongest drivers of HRV. 5-6 breaths per minute hits the resonance frequency for most people. You can track the shift in real-time.

You don’t need a £20,000 stem cell treatment to heal your body. You can activate that same healing system for free. It’s all in your breath. Research shows intermittent hypoxia stimulates stem cell release, new blood vessel growth, and mitochondrial biogenesis — all key longevity pathways. Short, controlled breath-holds create brief hypoxia - low oxygen. That signals your body to adapt and grow stronger, its another example of hormesis, a short time stress leading to a positive change. When you do this, it, this activates a protein called hypoxia inducible factor which switches on genes to activate your stem cells, potentially boosting them by 50%. One way I like to use this is by breathing normally, then exhale gently, then holding my breath for as long as I can. Repeated a few times over. That short stress triggers a cascade of repair and regeneration. Stem cell production increases, Immune system gets a boost and regenerative pathways switch on. PMID: 21962068

@DearS_o_n Your body was sending warnings long before that hospital bill. HRV drops weeks before a stress-related health crisis. It's literally a leading indicator of breakdown. Most people check their portfolio daily but never check the one asset that makes everything else possible.

He worked 12 hour days. Ignored his health. One hospital bill erased 3 years of savings. Lesson: Health is part of the portfolio. Don’t forget to invest into it.

@CraigBrockie Heart palpitations is the tell. Magnesium is a cofactor for parasympathetic signaling - depleted Mg means tanked vagal tone and crushed HRV. Add glycinate and watch overnight RMSSD climb 15-20% in a week. Stress depletes the thing that handles stress.

You're probably deficient in magnesium and don't know it. Signs: - - Muscle cramps - Poor sleep - Anxiety - Brain fog - Heart palpitations Most soil is depleted. Most food doesn't have enough. And stress burns through whatever you do have. Magnesium glycinate before bed changed my sleep within a week. Start supplementing the basics.

@thegarybrecka The vagal stimulation from cold is the underrated part. Cold water on the face triggers the dive reflex - instant parasympathetic activation. You can see RMSSD spike within minutes. It's one of the fastest ways to shift your autonomic state without any supplement or device.

Cold exposure does more than wake you up. Short amounts of cold can help: ✅Increase dopamine levels ✅Improve circulation ✅Stimulate brown fat activity ✅Build mental resilience You don’t need an ice bath. Even 30–60 seconds of cold water at the end of your shower can make a difference. Have you tried it?

@Outdoctrination HRV data backs this up perfectly. Chronic cortisol flattens RMSSD - parasympathetic tone tanks. But the nuance most miss: a sharp morning cortisol spike is protective. It's the flat midday elevation that tracks with depression and crushed autonomic function.

Depression is (often) high cortisol in disguise. High cortisol is a hallmark of depression. The higher the cortisol / stress, the worse the depression. Improvements are proportional to cortisol reduction. Normalizing the stress systems should be step number 1.

@SamaHoole A 30% relative risk reduction sounds dramatic until you learn it's 3% to 2.1% absolute over 10 years. Meanwhile autonomic dysfunction - visible in HRV - predicts cardiac events independently of lipids and nobody screens for it.

Doctor: "Your cholesterol is high. I'd like to put you on a statin." Patient: "What does high cholesterol actually mean for my risk?" Doctor: "It increases your risk of a cardiac event." Patient: "By how much?" Doctor: "Significantly." Patient: "But how much, specifically?" Doctor: "Your LDL is elevated." Patient: "The absolute risk. What is it." Doctor: "Statins are very well studied." Patient: "I'd like the number." Doctor: "Some patients experience muscle pain, memory issues, and elevated blood sugar..." Patient: "That sounds like the treatment." Doctor: "These are rare." Patient: "What's the absolute risk reduction?" Doctor: "I have a leaflet." The leaflet is provided by the pharmaceutical company. The leaflet does not contain the absolute risk reduction.

@SahilBloom Early bright light anchors your cortisol awakening response - the morning spike that's supposed to happen. Get that timing right and your HRV recovers faster by evening. Most people's cortisol curve is flat because they skip this signal entirely.

Random thing that improved my life: I got this ring light that I put next to my desk to shine bright light in my eyes early in the morning. I wake up at 430am and definitely saw an improvement in morning alertness and sleep quality. Also felt like it helped avoid winter lows.

@hubermanlab @RichieJDavidson This is exactly what shows up in HRV data. Experienced meditators don't have lower stress responses - they recover faster. The parasympathetic rebound after a stressor is measurably sharper. Your nervous system doesn't get calmer, it gets more resilient.

The mistake people make re meditation: they presume we should feel peaceful while doing it. It’s about observing your stress & learning to not react to it (in the same way exercise is a stressor that triggers an adaption). Meditation builds stress tolerance. @RichieJDavidson

@ElieJarrougeMD The part nobody explains - chronic hyperinsulinemia keeps your sympathetic nervous system running hot 24/7. You can literally watch it in HRV data. RMSSD craters when metabolic health deteriorates. The heart knows before the lab work does.

Patient with high blood pressure for 10+ years on 3 meds. Was told to avoid salt religiously. It didn’t work. At my direction, he kept salting his food, but cut carbs significantly. Off 2 meds in 8 weeks 💪🏼 Hypertension isn’t a salt problem. It’s a sugar problem in disguise.

@DrKristieLeong Anthocyanins don't just lower blood pressure - they boost endothelial nitric oxide, which directly affects vascular compliance. You can actually see the shift in HRV data within days of consistent intake. Criminally underrated compound.

If heart health had a secret weapon, it might be cabbage. Red cabbage isn’t just colorful packs 36 unique anthocyanins, compounds shown to lower blood pressure and reduce cardiovascular risk. A surprising powerhouse hiding in plain sight. Have you added red cabbage to your weekly rotation yet? #RedCabbage #FoodAsMedicine

A 48bpm resting heart rate doesn't mean high HRV. Resting HR reflects sympathovagal balance. RMSSD measures parasympathetic capacity. They are not the same variable - and every wearable company conflates them.

@thegarybrecka One nuance - RMSSD measures parasympathetic readiness, not resilience. Someone with high HRV can still have terrible VO2max. It's a readiness signal, not a fitness score. Two different systems that get conflated constantly.

HRV = your recovery score. High HRV = resilience. Low HRV = stress + inflammation. Track it. Improve it with: cold plunges, breathwork, sauna, deep sleep.

@BrandonLuuMD The RMSSD dip from early illness looks identical to overtraining on wearables. The tell is the overnight pattern - training recovery rebounds by N3 sleep, but illness drops sustain across all stages because cytokines keep sympathetic tone elevated.

How my watch knew I was getting sick before I did A thread on heart rate variability (HRV) and resting heart rate predicting illness 1/10 🧵

@DoctorTro The gap isn't avoiding CAC - it's that nobody monitors the autonomic stress response driving plaque progression in real time. RMSSD drops measurably during chronic stress. We debate whether to look at the damage while ignoring what's creating it.

Doctors say they avoid ordering a coronary artery calcium scan because “it won’t change management.” Think about what that means. A test that directly measures atherosclerotic plaque in the coronary arteries is dismissed because it might challenge a treatment algorithm based entirely on risk calculators and cholesterol numbers. The reality is simpler. Many physicians avoid CAC because it creates uncomfortable situations: A 45-year-old with high LDL but CAC = 0 A 60-year-old with “normal labs” but CAC = 400 Now the conversation becomes harder. Guidelines become less convenient. And the doctor actually has to explain risk. CAC doesn’t fit neatly into pharmaceutical pathways… but it tells you something far more important: Do you actually have plaque?

RMSSD peaks during N3 sleep - deep sleep is when parasympathetic tone is highest, not REM. If your overnight HRV is consistently low, check your sleep stage distribution. Total sleep time is the wrong variable.

1-2 drinks suppresses vagal nuclei directly. RMSSD is down 20-30% by morning. Most wearables attribute the dip to training load. The mechanism is the ethanol, not the workout.

@thegarybrecka Missing piece on the breathwork: it needs to hit 0.1 Hz, about 10 sec per full breath. That frequency drives cardiovascular resonance. Faster or slower and you lose the vagal effect.

Your HRV is not just a number on an app. It's a report card on how well you recover from stress. To raise HRV naturally: 1. Prioritize sleep before intense training 2. Get 5 minutes of morning sunlight daily 3. Do at least one slow, parasympathetic activity each day: breathwork, prayer, meditation, or quiet walking Don't chase harder workouts while your recovery markers are screaming for help. For one week, protect your recovery like it is part of your training. Then look at your HRV again.

@bensmithlive 6 breaths/min works because it hits 0.1 Hz resonance, where baroreceptor feedback maximally amplifies vagal tone. The rate matters more than the inhale/exhale ratio. Most protocols get that backwards.

Slow Breathing Slow, deep breathing syncs heart rate variability, promoting calmness. HRV peaks at a rate of about 6 breaths per minute. Here's the 5-minute breathing exercise for increasing HRV by Rick Rubin:

The keys to mental resilience aren't: Genetics. Attitude. Emotional intelligence. It is something fundamental nobody knows about. Here it is (and how to increase it for a bulletproof mind):

@foundmyfitness Recovery is where most people have no objective feedback loop. You can feel fine and still be autonomically suppressed. HRV after training is the fastest signal that your body actually recovered, not just that the soreness went away.

Omega-3s improve recovery from exercise. A new study reveals a potential mechanism. Men who supplemented with 2.5 grams of EPA + DHA per day for 8 weeks lost less strength after muscle-damaging exercise vs. those taking a placebo. This was attributed in part due to higher blood levels of oxylipins, bioactive lipid mediators derived from the oxidation of EPA/DHA that initiate, propagate, and resolve a controlled inflammatory response triggered by exercise.