130 articles in the archive · Page 2 of 6
How screen light affects sleep, why it is not only about the blue spectrum, whether blue-light glasses and night mode work, and what actually helps you fall asleep.
What jet lag is, why flying east is harder than west, and which methods — light, melatonin, schedule — genuinely speed up resetting your body clock.
Ashwagandha is a popular adaptogen. What studies actually show about its effect on stress, anxiety and sleep, where the evidence is weaker, and who should avoid it.
How curcumin differs from the turmeric spice, why it is poorly absorbed, which conditions have evidence of benefit (and which only promises), and what about safety.
How a cheat meal differs from a refeed and a diet break, whether they really 'boost metabolism' via leptin, and what actually helps you get through a long diet.
What rate of weight loss counts as safe, why faster is not better, how to preserve muscle while losing fat, and when a slowdown on the scale is normal.
A guide to birth control by real-world effectiveness: hormonal and non-hormonal, IUDs and implants, condoms and emergency contraception — with typical, not perfect, use rates.
Endometriosis is a common cause of severe menstrual and pelvic pain that is mistaken for normal for years. Its symptoms, diagnosis, treatment and when to see a doctor.
One chemical bond separates butter from olive oil. What that difference does to your cholesterol, which foods sit on each side, and the swap that actually lowers risk.
What zone 2 actually is, how to find it without a lactate test, how much time it deserves, and why the polarized model beats the familiar habit of running everything at a medium pace.
How irritable bowel syndrome is diagnosed, what FODMAP carbohydrates are, how the three-phase diet works, and why it must never become a permanent way of eating.
How lactose intolerance differs from milk allergy, why most adults on the planet have it, how to test for it, and why cutting out dairy completely is usually unnecessary.
What Lp(a) is, why it is 90% genetic, who should measure it and when, what to do about a high result, and why statins barely touch it.
How many colds a year is normal, why a weak immune system is rarely the answer, which warning signs need investigation, and what genuinely reduces how often you get ill.
Sodium, potassium, magnesium and calcium: what they do, how much you lose in sweat, who genuinely needs a sports drink, and why ordinary food covers it for most people.
What happens in deep sleep and in REM, why a cycle is not exactly 90 minutes, where morning grogginess comes from, and which numbers on your sleep tracker are worth reading.
How visceral fat differs from subcutaneous fat, why it carries more risk, how to assess it without an MRI, and which changes to diet and training genuinely shrink your waist.
How bone tissue works, why peak bone mass is set before 30, what menopause changes, who needs a DXA scan, and which measures genuinely reduce fracture risk.
How polycystic ovary syndrome is diagnosed, why it has nothing to do with cysts, where insulin resistance fits in, and which treatments have real evidence behind them.
The 2013 epigenetic clock that reads your age from 353 methylation sites — how it works, why it was a landmark, and why buying a Horvath clock test still tells you very little about yourself.
No — burnout is not a DSM-5 diagnosis, and it is not one in DSM-5-TR either. Here is what the manuals do contain, why ICD-11 treats it differently, and what that means for sick leave and treatment.
Both are 'bad fats', but they are not in the same category. Trans fat moves LDL and HDL in opposite directions and has no safe level; saturated fat depends entirely on what replaces it.
How much strength and cardio work you need per week per WHO guidance, how frequency affects muscle growth, how many sets per muscle group, and how to spot under-recovery.
Why the 'glass of wine is good for you' finding turned out to be a study artefact, what WHO and Mendelian randomisation show, how alcohol affects the heart, brain, liver and cancer risk.