ScienceInsights

Effexor XR isn't a stimulant, but its norepinephrine effects can make it feel like one. Here's what's actually happening in your brain and body.

ABR testing measures how your brain responds to sound, helping doctors detect hearing loss and nerve issues. Here's what the test involves and what results mean.

Vicks nasal spray won't cause true addiction, but overusing it can make congestion worse. Here's what rebound congestion is and how to avoid it.

Stuffy nose got you miserable? Learn which home remedies actually work, from saline rinses to steam, plus when to see a doctor.

Sea moss shows some anti-inflammatory promise in lab studies, but human evidence is limited. Here's what the science actually supports so far.

OCD goes beyond quirks—learn what obsessions and compulsions really feel like, what causes them, and how therapy and medication can help.

A high sex drive can stem from hormones, exercise, new relationships, or even medications. Here's what science says about what's behind a heightened libido.

TSH is a hormone that controls your thyroid. Learn what normal, high, and low TSH levels mean for your health and why doctors use this test.

STI testing costs vary widely, but many people can get tested for free. Here's what to expect with or without insurance, plus low-cost options near you.

The TB12 diet has strict food rules and bold claims, but how much of it holds up to science? Here's an honest look at what it involves.