What is seen in syndrome X?
Prediabetics
Prehypertensive
X chromosome mutation
More chances of syncope during dental extractions
Syndrome X is a term used as a placeholder for a newly discovered group of symptoms. It may refer to:

Cardiac syndrome X
Metabolic syndrome
Metabolic syndrome (Formerly known as syndrome x) can dramatically increase your risk of serious health problems, such as diabetes, heart attacks, and strokes yet often people don't even know what it is.
Metabolic syndrome is generally defined as a cluster of risk factors, including high blood sugar, extra abdominal fat, high blood pressure, and unhealthy cholesterol levels.
Insulin resistance. Insulin is used to metabolize glucose. In people with insulin resistance, there is resistance against insulin action, due to which the body keeps making more and more of it to cope with the rising level of glucose. Eventually, this can lead to diabetes.