Final answer:
A fad diet, such as one promising rapid and targeted weight loss without exercise, is typically unhealthy and unsustainable. In contrast, a healthy diet promotes a balanced intake of whole foods and is backed by scientific evidence. Always consult a healthcare professional before starting any new diet.
Step-by-step explanation:
Fad diets can often be identified and differentiated from healthy diets based on certain red flags. An example of a fad diet is one that promises rapid weight loss, claims to target specific body fat areas, or says it will work without exercise, such as a diet that suggests you can lose more than 2 pounds a week without increasing physical activity. These types of diets may encourage overconsumption of certain nutrients, which can harm health.
A healthy diet contrasts with fad diets by promoting a balance of food groups and encouraging consumption of whole foods. It focuses on a variety of vegetables, fruits, whole grains, protein sources, and dairy, supplying all necessary nutrients without excessive restrictions. This approach aligns with evidence-based dietary recommendations that contribute to long-term health and well-being.
To determine the healthfulness of a diet, consider whether it involves a balanced mix of foods from different groups, is sustainable long-term, and is backed by scientific evidence. Consulting a healthcare professional before starting any new diet is a crucial step to ensure that it will provide adequate nutrition without causing harm.