Shortness of breath can indicate serious heart or lung disease.
However, it may also be a symptom of obesity and anemia. No
matter the cause, shortness of breath should be taken seriously.
Important warning signs include new onset or sudden shortness of
breath, rapidly worsening shortness of breath, or accompanying
symptoms such as chest pain, chest pressure, or lightheadedness,
which should be reported to the doctor promptly.
To continue reading this article, you must login
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.