Body
Hair loss, sleep, pain. Five countries, one symptom.
What to Eat for an Upset Stomach: Why Pediatricians Stopped Recommending BRAT
The American Academy of Pediatrics no longer recommends BRAT: too little fiber, fat and protein. The one thing with solid evidence is oral rehydration solution.
Why US and European Sunscreen Labels Differ: A Drug in One System, a Cosmetic in the Other
The FDA's own order names the contrast: the US regulates sunscreen as a drug, the EU as a cosmetic. 17 filters are on the EU list only, 5 on the US list only.
Does Sweating Make Eczema Worse? Japan's 2024 Guideline Says the Advice Has No Evidence
Japan's 2024 guideline states there is no evidence that telling eczema patients to avoid sweating helps, and no link between daily bathing and severity.
Why Is Acne Medication So Expensive? The 2024 US Guideline Downgraded Two Drugs on Cost
The AAD's 2024 guideline says two drugs stayed at conditional recommendation on cost, not weaker evidence. Japan and Korea drew the line elsewhere.
How to Get Rid of a Cold Fast, and What Six Countries Swear By
Nothing cures a cold; honey, zinc and hot soup carry some evidence. Six countries compared, from American chicken soup to Japan's insurance-covered kakkonto.
Does a Mask Help With Pollen Allergy? Japan's Government Prints the Percentage
Japan's environment ministry manual reports an ordinary mask cuts pollen about 70 percent and a pollen mask about 84. Korea's agency names a KF94 grade.
When Should You Get a Flu Shot? Korea Starts at 75, Japan's Deadline Is Mid-December
The US says finish by the end of October; Japan says mid-December. Korea vaccinates by age tier and declares an epidemic alert that changes drug coverage.
Why Does My Face Turn Red When I Drink? The Gene, the Risk, and the Name That Isn't Medical
Alcohol flush means acetaldehyde is stalling: an ALDH2 gene variant carried by 540 million East Asians. Why tolerance makes it more dangerous, not less.
Do Japanese Head Spas and Scalp Massage Actually Work? The Evidence, Honestly
The famous scalp massage study covered nine men and had no control group. Coconut oil protects the hair shaft, which is not the same as regrowth.
Siesta, Inemuri, and the 30-Minute Rule: What Napping Looks Like Around the World
In a meta-analysis of 1.86 million people, naps under 30 minutes carried no significant risk association. 58 percent of Spaniards never nap; Japan naps by rule.