Last year, my uncle, who appeared to be fit and healthy, had a heart attack . This was linked to high cholesterol . Now my mum, who also seems to be fit and healthy, has also been diagnosed with high cholesterol. She was told by her doctor that it was genetic, and this would seem to make sense as my uncle is her brother. In addition to this, through researching our family history, we discovered the grandmother of my mum and uncle on their maternal side died of myocarditis, heart disease . Someone I work with suggested that I get tested, but as I am only 28 I m not sure it is necessary yet?