Final answer:
The predominant factors contributing to heart disease are a combination of genetic predisposition, lack of exercise, and poor diet, which can be mitigated by adopting healthy lifestyle choices.
Step-by-step explanation:
The predominant contributing factors to heart disease include a combination of genetic predisposition, lifestyle choices, and environmental influences. While individuals cannot change their genetic makeup, which may increase their susceptibility to heart disease, there are several modifiable risk factors that play a crucial role in the development of cardiovascular disease. Key among these are a lack of physical activity and a poor diet. Regular aerobic exercise and a nutrient-rich diet can significantly reduce the risk of heart disease. Additionally, other modifiable risk factors such as smoking, obesity, and the management of conditions like hypertension and diabetes through medications or lifestyle changes can help prevent or delay the onset of heart disease.
It is important to understand, however, that despite these interventions, age continues to be a major risk factor, with the chance of developing cardiovascular diseases increasing as one grows older. Nonetheless, adopting healthy behaviors like sufficient exercise, a balanced diet, and abstaining from smoking can greatly reduce the overall risk.