Biology Insights

BV isn't a classic STI, but sex does play a role. Learn how bacterial vaginosis spreads and why it tends to recur.

Vibramycin treats a wide range of infections, from respiratory and skin conditions to Lyme disease and malaria prevention, with some important safety considerations.

Learn what blood pressure numbers actually mean, when high readings become a concern, and how to get an accurate measurement at home or in the clinic.

Itchy feet can stem from athlete's foot, eczema, or even kidney disease. Learn what might be causing yours and when to see a doctor.

If sex doesn't feel good, there are real physical and psychological reasons why. Here's how to identify what's affecting your pleasure.

7-Hydroxymitragynine is a potent opioid-like compound found in kratom. Learn how it works, its potency, and why concentrated products carry serious risks.

Sertraline has a half-life of about 26 hours, but full effects take weeks. Here's what to expect from your first dose to stopping treatment.

From weight loss to sleep and supplements, here's what the evidence actually says about improving sperm count and male fertility.

Novocaine is made from two chemical compounds and shares a surprising history with cocaine. Learn what's in the injection and why dentists have mostly moved on.

Stinging eyes usually come down to dryness, allergies, or everyday irritants. Here's how to tell what's causing yours and when to see a doctor.

Learn how laparoscopic hysterectomy works, what to expect during recovery, and how it may affect your pelvic health long term.

BPD can mean two different things. Learn how bipolar disorder and borderline personality disorder differ in symptoms, mood patterns, and treatment.

Most granola bars look healthy on paper, but their labels can mislead. Learn what numbers, ingredients, and claims to actually trust before buying.

Antihistamines block a chemical signal that triggers allergy symptoms. Learn how they work, the difference between generations, and when they actually help.

Rybelsus is an oral form of semaglutide, but it works differently than the injection and isn't approved for weight loss. Here's what you need to know.

From post-meal walks to sleep quality, here's how everyday habits affect your blood sugar and what actually helps keep it in a healthy range.

From saltwater rinses and honey to prescription treatments, here's what actually helps mouth sores heal faster and hurt less.

Bananas share proteins with natural latex, which can trigger reactions in sensitive people. Learn who's at risk and how to manage it.

Bulimia is clinically recognized as a mental illness with clear brain, genetic, and behavioral roots. Here's what the research actually shows.