Three blood-pressure readings, one person, two different labels. Our reanalysis of 6,100 US adults found category changes in about one in six cases. What actually changed?
Health & Medicine
44 Articles
44
Evidence-based articles on health, disease, diagnosis, treatment, prevention, and medical questions.
Does mouth taping improve sleep or breathing? Small studies suggest a possible benefit in selected people with mild sleep apnea, but evidence in healthy adults is sparse and mouth closure can worsen airflow in some obstructed sleepers.
Does white or pink noise really improve sleep? Research suggests the main benefit may be masking disruptive sounds rather than directly improving sleep itself.
Short naps can improve alertness and some cognitive performance, but no nap duration is proven to extend life. Here’s what studies say about 10–30 vs 60+ minutes.
Finnish sauna studies show a striking association with lower mortality. But after separating what the models actually adjusted for, the causal story becomes much less simple.
A three-day analysis of wearable-sensor data found a repeatable personal turning-direction bias. Turning direction was not convincingly related to falls or physical mobility, but a counterclockwise bias showed an exploratory association with better cognitive performance, echoing a 1992 visuospatial study.
Hormesis has one of the most attractive ideas in health science: a small stress can make a...
We live inside electric fields so quietly that it is easy to forget they are there. Between...
In 1918, ten sailors faced coughing influenza patients and none fell ill. More than a century later, controlled transmission studies still produce surprising failures. Why?
GOS is one of the best-studied prebiotics; XOS is promising but less established. Here is how to read labels, judge claims, and avoid assuming that a GOS + XOS blend is automatically better.
Viruses and exosomes can look alike, but controlled infection and reverse-genetics experiments reveal a crucial difference. What host immunity and PCR really tell us.
PCR and next-generation sequencing are powerful diagnostic tools, but they are not infallible. Contamination, sampling, bioinformatics and interpretation can cause errors, which is why validated controls, reference materials and clinical context matter.
I measured ORP, pH and temperature after producing magnesium-based water at home. The time series is real, but ORP cannot quantify dissolved molecular hydrogen by itself.
A one-day cold cure is not supported by evidence. Here is what can ease symptoms in 24 hours, what trials say about zinc, and when to get medical advice.
Olive oil, vinegar and lemon can be part of a healthy diet, but there is no evidence that a morning mixture cleans arteries or dissolves plaque. Plaque regression is linked to sustained cardiovascular risk reduction, especially LDL lowering.
UVB light can trigger vitamin D3 production in skin, but the amount varies sharply with season, time, skin pigmentation, age, clothing and other factors. There is no universal safe sun-exposure formula.
Walking has a branding problem. It is too ordinary. If an activity requires expensive equipment, pain, a...
Clockwise and counterclockwise movement do not have universal opposite health effects. Forward-rotating shift schedules may better match circadian adaptation, while body-spinning direction is mainly a biomechanical, vestibular and training variable rather than a general health rule.
Before an interview, exam or public performance, I sometimes rehearse the stressful situation while exercising. The idea...
A focused ENT visit is easier when you bring symptom timing, prior tests, medication lists and a few specific questions about diagnosis, testing, treatment, follow-up and red flags.