Yogurt can modestly improve cholesterol levels, especially plant sterol varieties. Here's what the research actually says and how to choose the right type.
BMI defines three classes of obesity, but weight alone doesn't tell the whole story. Learn how doctors use staging, age, and ethnicity to assess health risk.
Anorexia is recognized as a mental health disorder with roots in brain function and psychology. Learn how it's diagnosed, who it affects, and how it's treated.
Chronic nasal congestion has many possible causes, from allergies to structural issues. Learn what's likely behind yours and what actually brings relief.