In PCOS, exercise moves insulin resistance and the menstrual cycle together
Aerobic, resistance, combined and high-intensity interval training all improved insulin sensitivity and body composition. In some studies menstrual cyclicity and ovulatory function improved too.
An ECG AI more than doubled detection of occlusion MI, and still missed half
Across 24,511 chest-pain patients, the AI model reached 52% sensitivity against 23% for STEMI criteria. Specificity was identical at 99%, yet nearly half of occlusions still slipped through.
Only 24.7% of mouse heart studies reported the pressure they applied
A review of 89 papers in leading journals found that just one in four reported how tight the surgical constriction actually was. Female mice appeared in 28.1% of studies.
Load is not the only thing that thickens a heart — stress, air, and heat do too
A review of the animal model that reproduces chronic sympathetic overstimulation places psychological stress, air pollution, and thermal strain on the same molecular pathways.
BMI cannot see sarcopenic obesity, and outcomes split at the same weight
BMI says nothing about where fat sits or how much muscle is left. Cancer care now reads body composition off scans already taken and puts resistance training at the center.
Insulin resistance starts where fat outgrows its blood supply
When fat tissue expands faster than vessels can follow, it goes hypoxic. Lean mice with less vascularization became insulin resistant on ordinary chow.
Sarcomere genes run on a clock, and the same signal landed differently by hour
In heart muscle cells, the sarcomere genes Tcap and Myl2 cycled across the day, and an identical growth stimulus produced a different amount of hypertrophy depending on when it arrived.
Low vitamin K2 tracked with calcified arteries, not with a thickened heart
In 189 dialysis patients, serum vitamin K2 below 2.39 nmol/L was an independent risk factor for aortic arch calcification. Left ventricular hypertrophy showed no such link.
The ligament that narrows your spinal canal thickens by immune signalling, not wear
Ligamentum flavum hypertrophy — the usual cause of lumbar stenosis — is active fibrosis driven by macrophages secreting TGF-β1. Depleting them reduced it in standing mice.
The 1991 ruling that closed off an atrial fibrillation drug — 35,886 patients say otherwise
The ban on class Ic antiarrhythmics in structural heart disease traces to a single 1991 trial. Pooling seven studies and 35,886 patients found no signal of excess ventricular arrhythmia.
Strength rose 79.5% in ten weeks — one muscle grew
Ten weeks of ladder climbing nearly doubled the load carried. Only one of the two muscles measured gained relative mass, and gene expression showed no group difference.
A 25-minute daily exercise programme beat minimal care by nothing
Thirty patients aged 8–17 were randomised, and fatigue, quality of life, grip strength and walking distance showed no group difference. The control group was already moving.
A copper-handling drug shrank thickened heart muscle in HCM
In a 154-patient randomised trial, 52 weeks of trientine cut left ventricular mass index 3.2 g/m² more than placebo — and the loss came from myocyte mass, not fibrosis.
More left ventricular mass does not mean bigger heart cells
Deep learning measured heart tissue from 334 patients. Myocyte size was the strongest predictor of left ventricular mass — except in severe coronary disease, where mass rose while cells did not.
Well-controlled psoriasis still carried 2.8 times more heart dysfunction
Echocardiography in 1,010 psoriasis patients and 1,010 matched controls. Even with skin disease well managed, myocardial dysfunction ran 16.7% against 6.0% — and did not track skin severity.
A thickened heart loses fuel flexibility before it loses function
Metabolic derangement in cardiac hypertrophy is now read as an early driver, not a passive consequence of load. Fatty acid oxidation falls, and the ability to switch fuels goes with it.
Treat the cause and left ventricular hypertrophy regressed in 54.2% of patients
An international cohort of 1,454 patients with primary aldosteronism across 36 centres. After targeted treatment and a median 51 months of follow-up, more than half saw the thickening reverse.
After a hypertension diagnosis, being active carried odds of 0.08 for complications
An analysis of 384 medical records at a teaching hospital in Lusaka, Zambia. Physical activity had an adjusted odds ratio of 0.08 for cardiovascular complications; smoking sat at 3.09.
Exercise is not categorically off-limits in HCM — stimulants are a separate question
A case report on a 26-year-old diagnosed at 16 and stable for a decade. Training continued; the decision about a stimulant ran on entirely different arithmetic.
ECG voltage criteria caught only 64% of real left ventricular hypertrophy
In 1,125 adults with untreated hypertension, the best ECG criterion for left ventricular hypertrophy reached 64% sensitivity and 80% specificity. A screening ECG cannot settle how thick your heart wall is.
Calculate your strength score →
Enter your Big 3 lifts and bodyweight for a relative strength score corrected for age and height. Free, no account needed.