Preventive Health
Is a Stool Test as Good as a Colonoscopy at 45? The Polyps Decide
If you're 45 and at average risk, a stool test or a colonoscopy counts as screening. The kit works only if you repeat it and act on a positive result.
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Fresh guides, each with its sources.
Nutrition
Magnesium Glycinate or Citrate? One Has Far Less Evidence
Magnesium glycinate or citrate? Citrate has better absorption data. Glycinate was easier on the stomach than oxide in a small trial.
Skin Health
How Long Does Minoxidil Shedding Last? Foam and Pills Differ
How long minoxidil shedding lasts depends on the form: up to about 3 months on foam or solution, and an estimated 3…
Medication Safety
Can You Take Ibuprofen If You’re on Blood Pressure Medication?
Taking ibuprofen with blood pressure medication can raise your readings and strain your kidneys. See who's most at risk and what doctors…
Nutrition
How Much Creatine for Brain Fog? The Doses Researchers Tested
There's no proven creatine dose for brain fog. See what studies tested, from 750 mg of creatine HCl to 20 g of…
Digestive Health
Ultra-Processed Food and Colon Cancer: Why Processed Meat Still Stands Out
A study of 461,682 adults found no overall link between ultra-processed food and colon cancer. Here's why processed meat still matters and…
Cardiovascular Health
7 Signs Your Heart Is Getting Weaker (And What’s Happening Inside)
Signs your heart is getting weaker include breathlessness, swelling and fast weight gain. See what each means, which need 911, and what…
Recently updated
Older guides rewritten against the current evidence.
General Health
Vitamin D2 Works, but D3 Pulls Ahead at Big Weekly Doses
Vitamin D3 raises blood levels more than D2, but the gap is wide with weekly 50,000 IU doses and small with daily…
Endocrine & Metabolic Health
Does Fiber Help With Weight Loss? Where the Lost Pounds Come From
Does fiber help with weight loss? Yes, modestly: adults with metabolic syndrome whose only goal was eating more fiber lost about 4.5…
General Health
Retatrutide Weight Loss: Does the 28% Trial Headline Hold Up?
In the main trial, people on retatrutide lost about 25% of their body weight over 18 months. The 28% headline assumes no…
General Health
Are Coffee Pods Safe? The Real Question Isn’t BPA
Lab tests find tiny traces of BPA, plasticizers and aluminum in pod coffee. Are coffee pods safe? The open question is what…
General Health
Vitamin D and Breast Cancer: Why Low Levels Looked Risky
Vitamin D pills didn't lower breast cancer risk in two large trials. After treatment, it helps your bones but hasn't been shown…
General Health
Do Sugar and Dairy Cause Acne? The Studies Have a Catch
Studies on diet and acne tie sugary foods and milk to more breakouts, but the link is modest, and the best-known trials…
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Women's health
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Rest, mood and focus, with the science behind the advice.
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What a symptom usually means, and when it needs a doctor.
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