Research & Studies
Dandruff Shampoo: Ketoconazole Cut Failures 31%. No Brand Beat Another.
Cochrane: ketoconazole 2% cut failed clearance 31% versus placebo, and matched steroids with 44% fewer side effects.
Research & Studies
Research & Studies
Selenium Supplements: More Diabetes, and No Cancer Prevention in 35,533 Men
Two trials tested selenium at 200 mcg. One found type 2 diabetes at a hazard ratio of 1.55.
Research & Studies
Omega-3 for Dry Eye: Both Groups Improved 13 Points, One Was Olive Oil
The DREAM trial gave 535 people 3000 mg of fish oil or olive oil for a year. The gap between them was…
Research & Studies
Restless Legs and Iron: Your Ferritin Can Be Normal and Still Too Low
The RLS guideline sets the oral iron threshold at ferritin of 75 or below, and the IV threshold at under 300. Most…
Research & Studies
Mouth Ulcers and B12: It Worked at Any Blood Level
Only 4.8% of mouth ulcer patients were deficient. B12 cut outbreaks anyway, whatever the blood level, and it took five months to…
Research & Studies
What Deficiency Causes Ridges in Your Nails? Mostly, None
Longitudinal ridges appeared in 85% of elderly patients in one study. The nail sign that does track iron shows up in only…
Research & Studies
Cracked Tongue and Vitamin Deficiency: You May Be Looking at the Wrong Tongue
Grooves in the tongue are usually inherited and harmless. The tongue that signals B12 deficiency is the opposite: smooth, shiny, and missing…
Research & Studies
What Deficiency Causes Dark Circles Under Your Eyes? The Studies Have Numbers
Anaemia showed up in 34.5% of patients and vitamin D was measurably lower. Sleep quality, the thing everyone blames, was not statistically…
Research & Studies
Oregano Oil for a Sinus Infection: The Target Is Usually Wrong
Sinusitis is usually viral, and oregano oil’s entire case is antibacterial.
Research & Studies
Oregano Oil for a Tooth Abscess: What the Research Actually Tested
Oregano oil kills oral bacteria in a dish, and the studies were about preventing cavities.
Research & Studies
Ganglion Cyst and Vitamin Deficiency: There Is No Link
The AAOS states plainly that it is not known what triggers a ganglion cyst, and no nutritional cause appears anywhere in its…
Research & Studies
Which Soap Is Good for Eczema? Test the Properties, Not the Brand
NIAMS answers this with properties: mild, unscented, non-soap. The National Eczema Association Seal is a checkable mark on 867 products.