ScienceInsights

From prescription treatments to wet combing, here's an honest look at every lice treatment option and how well each one actually works.

Most adults take 10 mg of cetirizine daily, but dosing varies by age, kidney function, and condition. Here's what's safe and why more isn't always better.

The rule to stop Pap smears at 65 comes with conditions many women don't meet. Here's who should keep screening and why.

Hanger is real and rooted in biology. Learn how blood sugar dips trigger irritability and what you can do to stay even-keeled between meals.

Nicotine withdrawal peaks in the first week and fades within a month for most people. Here's what to expect and how long symptoms typically last.

Hair loss is often hormone-related. Learn which deficiencies—from thyroid to estrogen to vitamin D—could be behind your shedding and what to do about it.

If your IBS symptoms are getting worse, stress, hormonal shifts, FODMAP stacking, or bacterial overgrowth may be playing a role. Here's how to find your triggers.

Most dogs recover from kennel cough on their own, but here's what treatment actually looks like and when to call your vet.

A practical guide to the different types of insulin, how each one works, and how they're used together to manage blood sugar.

CBD can raise liver enzymes in dogs, especially alongside other medications. Here's what the research says and how to use it safely.