Sleep tracker accuracy: which devices really measure up
Compared against polysomnography, consumer sleep trackers vary widely — some are within 8% of clinical accuracy, others are essentially random. carmannews summarises…
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12 stories filed at the carmannews newsroom
Compared against polysomnography, consumer sleep trackers vary widely — some are within 8% of clinical accuracy, others are essentially random. carmannews summarises…
Health
Telehealth is excellent for some conditions, useless for others, and outright dangerous for a few. The evidence by condition, with a five-question…
Health
The labs almost always test the wrong form, the reference range is poorly calibrated, and the supplementation advice that follows is often…
Health
"White-coat hypertension" is well documented but rarely accounted for. The home-monitoring protocol that gives a more accurate baseline, and which devices are…
Health
The 150-minutes-a-week guideline is a floor, not a goal. carmannews health translates the latest exercise research into specific minutes-per-week ranges by age…
Health
"0.8 g/kg" is a survival baseline, not a target. carmannews summarises the recent literature on protein needs for active adults, older adults,…
Health
The 20-20-20 rule helps but misses ambient lighting and blink rate, which optometrists say matter more. The fuller protocol fits in about…
Health
Most sore throats are viral and resolve in 4–7 days. The red flags that warrant same-day evaluation are well established but not…
Health
Most parents pick a pediatrician by insurance network and proximity. The seven questions carmannews ranks below are the ones experienced parents and…
Health
The metabolic benefits of intermittent fasting are real, but the population they apply to is narrower than the influencer ecosystem suggests. carmannews…