There are literally hundreds of diseases that involve the heart. There is no way I could list them all here. If you need a more specific answer please rephrase your question and ask again.
if you mean Cardiologist, he is an expert concerned with the heart and related diseases
Osteoporosis.
Pulse rate and blood pressure are two vital signs that are heart related.
Cardiovascular refers to issues with the heart and circulatory, pulmonary refers to lung related diseases. Nephrotic refers to issues with the kidneys.
Examples of diet-related diseases are hypertension, heart disease, cholesterol, cancer, diabetes and osteoporosis.
treating vascular and blood vessel related diseases, such as heart attacks and strokes
Emphysema Lung Disease Heart Disease Various Cancers
A Cardiologist (aka, a Heart Doctor) works almost exclusively with people with Heart related diseases.
Heart diseases
Edwin M. Hale has written: 'Lectures on diseases of the heart' -- subject(s): Heart, Therapy, Diseases, Diagnosis, Heart Diseases, Homeopathy, Treatment 'Lectures on diseases of the heart' -- subject(s): Homeopathy, Heart Diseases 'Lectures on diseases of the heart' -- subject(s): Accessible book, Cardiovascular Diseases, Heart Diseases, Homeopathy, Homeotherapy, Materia medicas, Homeopathic treatment, Heart, Diseases
You could do a project about how exercise can influence heart disease. You can also talk about how diet affects heart disease.
Fats are bad for you because they increase the risk of heart attacks and obesity related diseases.