In-depth

Complications

Dysphagia

Coping and support

Mental health: Overcoming the stigma of mental illness

Definition

Mental health

Curious about mental health? Discover what shapes the definitions of mental health and mental illness.

Lifestyle and home remedies

Meditation

Stressed out? Try meditation. Learn easy, quick techniques that you can use at work, waiting in line or virtually anywhere.

Symptoms

Headache

Nausea and vomiting

Shortness of breath

Symptom Checker

Foot pain? Headache? Sore throat? Skin rash? Use the Symptom Checker to find out what's causing your symptom.

Tachycardia

Tachycardia, a rapid heart rate, is caused by an abnormality in your heart's electrical impulses. Tachycardia can cause serious complications, including sudden cardiac arrest.

Tests and diagnosis

Electrocardiogram

May 19, 2015