Which of the following is a common risk factor for developing chronic diseases in adulthood?

Unhealthy eating habits are a significant risk factor for developing chronic diseases in adulthood because poor nutrition can lead to a variety of health issues. Diets high in processed foods, sugars, and unhealthy fats contribute to obesity, diabetes, heart disease, and other conditions. These unhealthy dietary patterns often lack essential nutrients, which are crucial for maintaining overall health, and can lead to long-term health consequences.

In contrast, engaging in regular physical activity helps to maintain a healthy weight, strengthens the heart, and improves overall well-being, while mild stress management techniques are beneficial in reducing the risk of stress-related health problems. Positive social interactions have also been shown to promote mental and physical health, as they can help reduce feelings of loneliness and depression, which are linked to chronic disease development. All these other options contribute positively to health and reduce the risk factors for chronic diseases.