In-depth

Complications

Dehydration

You normally lose about 10 cups (2.4 liters) of water every day — much more during exercise or illness. Learn how to stay hydrated.

Lifestyle and home remedies

Thermometers: Understand the options

Considering buying a thermometer? Know the different types of thermometers and which style will work best for your family.

Symptoms

Headache

Most headaches aren't caused by a serious illness, but some could be a sign of a life-threatening condition.

Tests and diagnosis

X-ray

X-rays are a form of radiation that can make images of your bones and internal organs.

Treatments and drugs

Fever treatment guide

Should you treat a fever or let it run its course? Here's help making the call.

Jun. 01, 2011