Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest and can interfere with your daily functioning.
Disease
Pelvic inflammatory disease (PID)
This serious infection of the reproductive organs can cause long-term complications such as infertility and ongoing pain. Know the symptoms and causes.
Disease
Tachycardia
Learn more about the symptoms and treatment of this heart rhythm disorder, which causes a rapid heart rate.
Disease
Malaria
Learn about the symptoms, causes, treatment, and prevention of this infectious disease transmitted to humans through mosquito bites.
Disease
Endocarditis
Learn what causes this infection of the inner lining of the heart chambers and valves (endocardium) and find out how to prevent and treat it.
Disease
Thrombophlebitis
Learn more about this inflammation of a blood vessel that can interrupt flow.
Disease
Low blood pressure (hypotension)
This condition isn't always a concern. But sometimes it can cause dizziness and fainting or be life-threatening. Learn when it needs treatment.
Disease
Guillain-Barre syndrome
This rare autoimmune condition affects the nerves, causing weakness and tingling in the arms and legs that quickly spreads throughout the body.
Disease
Dizziness
People feel dizzy for various reasons. How long the feeling lasts and any other symptoms you have can help pinpoint the cause.
Disease
Heat exhaustion
An overheated body can lead to dangerous symptoms. Get tips to prevent heat exhaustion and how to cool down quickly when it happens.
Disease
Whiplash
This common neck injury often is from a car crash. But other trauma can cause it too. Know the symptoms and how to treat it.
Disease
Buerger disease
Read about this blood vessel disease that limits blood flow, especially to the hands and feet. Quitting smoking is the best treatment for this condition.