Vox reporter Julia Belluz answers readers’ questions about health with the latest research and expert voices.
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Dear Julia
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March 22, 2018
I asked the experts how to eat healthy on a budget. Here’s what they told me.
11 tips for eating well, cheaply.
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January 11, 2018
The flu vaccine isn't perfect — but that doesn't mean you should skip the shot
What science says about flu shots.
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November 25, 2017
Should you walk or run for exercise? Here's what the science says.
Experts untangle the relative risks and benefits of each activity.
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August 17, 2017
Does sunscreen really protect my skin? Your paranoid sunscreen questions, answered.
I asked for your questions about sunscreen — and got an inbox full of anxiety.
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May 24, 2017
Why you shouldn't believe the calorie count on your fitness tracker
You may be underestimating or overestimating the calories burned by as much as 20 percent.
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September 13, 2016
You don't need 8 glasses of water a day. Eat these foods instead.
You can meet your daily H2O requirement by eating oranges and drinking coffee.
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August 31, 2016
Why parents of young children get sick more often
Kids younger than 6 get six to eight colds per year.
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August 26, 2016
Should you take Tylenol, Advil, or aspirin for pain? Here's what the evidence says.
These drugs are definitely not as similar and interchangeable as you might think.
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August 18, 2016
Dietary supplements are mostly a waste of money. But if you must buy them, try this.
Learn the tricks to avoiding the pills that may be laced with untested ingredients and banned drugs.
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June 21, 2016
Is yoga bad for you? Here's what the evidence says.
The reports of yoga harms are probably overblown.
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June 20, 2016
Is it really that bad to skip breakfast? Here's what the science says.
The evidence-based case for breakfast is pretty weak.
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May 23, 2016
Dear Julia: how much do I need to worry about salt in my food?
Too much salt in your diet is bad for health — but so is too little.
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May 11, 2016
Why you’re probably wasting your money on probiotics
The science of "friendly bacteria," explained.
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April 26, 2016
Big Tissue wants you to believe bathroom hand dryers spread disease. Here's what science says.
Dear Julia: Can hand dryers in public bathrooms really make people sick?
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April 5, 2016
The truth about WebMD, a hypochondriac's nightmare and Big Pharma's dream
What you need to know about the most popular source of medical information online.
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March 9, 2016
What no one talks about when they extol the benefits of fasting
Do fasting diets really work for weight loss?
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February 17, 2016
Why researchers say eating late at night is an especially bad idea
Late-night eating is considered a risk factor for weight gain, obesity, and diabetes.
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December 9, 2015
Should you drink soy or cow's milk? Here's what the evidence says.
The truth about the estrogen link and the nutritional benefits of drinking soy and dairy.
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November 25, 2015
“Are you really going to eat that?” and what not to say to someone who's gained weight
Tips from experts on how to talk to a loved one about weight gain.
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November 12, 2015
Hypnosis has weirdly positive results in weight loss studies. That doesn't mean it works.
Here's what the science says.
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October 28, 2015
Cold-pressed juices are a waste of money. The (lack of) science behind them says so.
This is another evidence-free health trend.
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August 4, 2015
Welcome to Dear Julia — your everyday health questions, answered
Introducing a new advice column in which we answer your everyday health questions.