John Jung-san Yu MD

Recommended Articles

• Nuts and your heart: Eating nuts for heart health

  Whether roasted or raw, walnuts are the best nuts and have an abundance of heart healthy nutrients. In a recent study, researchers compared the amount of polyphenols — the powerful antioxidants — in nine types of roasted and raw nuts. They also measured the amount of these antioxidants in two...

• Are There Benign and Malignant Tumors of the Heart?

  It is a well-known fact that in the body, in various tissues due to various reasons, neoplasms sometimes appear in the form of tumor growths. The heart is not an exception. The tumor growth can be benign and malignant. Therefore, there are two types of the heart tumors.Benign tumors These do not...

• What Is Nicotine?

  IntroductionNicotine is an alkaloid stimulant that comes from the nightshade family of plants, particularly from the leaves of tobacco. The type of nicotine found in tobacco plants is called Nicotiana tabacum. Nicotine can also be synthetically produced. Thousands of chemicals are contained in...

• What Is a Bubble Study?

  What is a bubble study?A bubble study is a type of echocardiogram, which is the ultrasound of the heart. An echocardiogram is done to visualize the heart and its surrounding areas. Better images of the heart can be produced when a “contrast” is used during the echocardiogram. In a bubble study,...

• Diagnosing Heart Palpitations

  What are heart palpitations?Heart palpitations are when you start feeling your own heart beating. You will feel as if your heart is beating too fast, slow, forcefully, or irregularly. You will feel as if you missed a beat. The frequency and severity of heart palpitations will vary from one person to...

• Arterial Disease is Constantly Undiagnosed in Women

  Many women in United States is having peripheral artery disease (PAD), out of which, many are not diagnosed. The American Heart Association has called for a ‘Go Red for Women’ campaign to have increased participation to identify and diagnose this disease in women. The association also invites...