HAVIT Blog
Science-backed guides on habits, sleep, nutrition, and movement.
All articles
Strength Training for Hypermobile Joints: Building Stability Without the Setbacks
Hypermobile joints need strength training that prioritizes proprioception and mid-range control over end-range flexibility.
Why Your Body Jerks Awake When You're Falling Asleep (And How to Stop It)
Hypnic jerks happen when your brain misinterprets muscle relaxation as falling—caffeine, stress, and sleep debt make them worse, but simple fixes work.
Reactive Hypoglycemia After Eating: 7 Meal Strategies That Actually Stop the Crash
Preventing reactive hypoglycemia comes down to slowing glucose absorption through strategic meal composition—protein first, fiber-rich carbs, and smaller portions spread throughout the day.
Why You Still Feel Terrible with 'Normal' TSH: The Hidden Thyroid Problem Your Labs Miss
A normal TSH doesn't guarantee your cells are getting enough active thyroid hormone—T4 to T3 conversion problems affect up to 15% of treated patients.
IBS Type Constipation, Diarrhea, or Mixed: Why Your Treatment Isn't Working (And What Actually Will)
IBS-C, IBS-D, and IBS-M require completely different treatment approaches—using the wrong one can actually worsen symptoms.
Identity-Based Habits: Why 'I Am an Exerciser' Beats 'I Want to Exercise' Every Time
Lasting habit change happens when you shift from wanting to do something to believing you are someone who does it.
Identity-Based Habits: The Behavior Change Method That Actually Sticks in 2026
Shifting from outcome goals to identity statements increases habit persistence by 42% because you're voting for who you want to become, not just what you want to achieve.
Implementation Intentions: Why If-Then Planning Triples Your Success Rate
If-then plans create automatic behavioral triggers that bypass willpower, tripling follow-through rates by linking specific situations to predetermined actions.
Implementation Intentions: The If-Then Planning Trick That Doubles Your Success Rate
Creating specific 'if X happens, then I will do Y' plans doubles your chances of following through on goals, according to meta-analysis of 94 studies.
Why Identical Twins React Differently to the Same Meal: The PREDICT Study Rewrites Nutrition Science
Your genes explain less than 30% of how your blood sugar responds to food—sleep, meal timing, and gut bacteria matter far more than we thought.
Inflammaging Markers: How to Lower CRP, IL-6, and TNF-α Through Lifestyle Changes
Targeted lifestyle changes can reduce key inflammaging markers by 20-40% within 8-12 weeks, with diet showing the fastest results.
Infrared Sauna vs Traditional Finnish Sauna: What 47 Studies Actually Show About Health Benefits
Traditional saunas raise core temperature higher and have stronger cardiovascular evidence, but infrared saunas may work better for chronic pain and people who can't tolerate extreme heat.
