ScienceInsights

Learn about the key organs of the lymphatic system, from bone marrow and the thymus to lymph nodes, the spleen, and beyond.

From mild bruising to rare complications, here's what you should know about Botox side effects before your next appointment.

Vertigo and dizziness aren't the same thing. Learn how to tell the difference and when your symptoms are worth a doctor's visit.

Kombucha does contain live bacteria, but its effects on your gut may be more modest than claimed. Here's what the science actually shows.

Learn about all 8 types of hepatitis, from viral strains A through E to alcohol and autoimmune causes, plus how each is detected and prevented.

From nursing school to your first travel assignment, here's what it actually takes to become a travel nurse and how long it realistically takes.

Sweat can clog pores and trigger breakouts, but the right timing, ingredients, and habits can keep exercise-related acne under control.

A cheesy smell down there usually points to a yeast infection. Learn what causes it, how to tell it apart from other infections, and how to treat it.

Six-week-old babies typically feed 8–12 times a day. Learn how to read hunger cues and know if your baby is eating enough.

Painful sex has many possible causes, from dryness and muscle tension to endometriosis. Learn what might be behind your discomfort and what can help.