Science Writer · Editorial staff
Nadia Thorvaldsen
Reports on the research and technology behind medically supervised weight solutions, with a focus on what the evidence actually supports.
13 stories by Nadia Thorvaldsen
Side EffectsHow Long Do Semaglutide Side Effects Last? The Answer, in Days
The trial data does contain a real answer, and it is not the one most patients are given. Nausea has a median duration of 8 days. Constipation has a median duration of 47. And the worst week for most people is not week one, it is around week 20.
· Nadia Thorvaldsen
Side EffectsInjection site rotation on a GLP-1: the lump nobody warned you about
Most patients settle into one favorite spot on the abdomen within a month and never leave it. The diabetes world learned what happens next about thirty years ago, and the weight management world is largely repeating the lesson from scratch.
· Nadia Thorvaldsen
Side EffectsGLP-1 Medications and Thyroid Cancer: What the Boxed Warning Actually Means for You
The frightening thyroid warning on semaglutide comes from rat studies, applies as a hard stop to one small high-risk group, and means something very different for everyone else, and almost no one is told which category they are in.
· Nadia Thorvaldsen
Side EffectsGallstones and rapid weight loss: a risk worth understanding
Losing weight quickly raises gallstone risk from any cause, and knowing the warning signs matters more than worrying about them.
· Nadia Thorvaldsen
Side EffectsGLP-1 hair shedding: why it happens and when it stops
Extra hair in the brush a few months into treatment is common, usually temporary, and driven by fast weight loss more than the drug itself.
· Nadia Thorvaldsen
MaintenanceTraveling on a GLP-1: storage, timing, and staying on track
A little planning keeps your medication safe and your schedule intact on the road.
· Nadia Thorvaldsen
Side EffectsProtecting your bones during rapid weight loss
Fast weight loss can quietly cost bone, here is how to keep your skeleton strong.
· Nadia Thorvaldsen
Side EffectsThe full picture of GLP-1 side effects
Most side effects are common and manageable, a few are rare and serious, and knowing the difference matters.
· Nadia Thorvaldsen
MaintenanceComing off a GLP-1 without regaining everything
Stopping a GLP-1 does not have to undo your progress, but it does require a real plan.
· Nadia Thorvaldsen
Side EffectsOzempic face: why rapid loss changes how you look
The hollowed, aged appearance has a tidy nickname, but it is really just what fast weight loss does to a face.
· Nadia Thorvaldsen
Side EffectsConstipation and gut changes on a GLP-1, and what helps
Slower digestion is part of how the drug works, but it also leaves a lot of people backed up.
· Nadia Thorvaldsen
MaintenanceReaching your goal weight: what maintenance on a GLP-1 looks like
Hitting your goal is the start of a new phase, not the finish line, and maintenance has its own rules.
· Nadia Thorvaldsen
Side EffectsGLP-1 nausea: why it happens and how to manage it
Nausea is the most common reason people quit a GLP-1 early, but it is usually manageable with a few adjustments.
· Nadia Thorvaldsen