An unhealthy diet typically includes excessive amounts of processed foods, sugars, and unhealthy fats. This type of diet often lacks essential nutrients, such as vitamins and minerals, which are crucial for maintaining overall health. Common examples of unhealthy foods include sugary snacks, fast food, and sugary beverages. Consuming an unhealthy diet can lead to various health issues, including obesity, heart disease, and diabetes. It can also negatively impact mental health, contributing to conditions like anxiety and depression. Making healthier food choices, such as incorporating more fruits, vegetables, and whole grains, can help improve overall well-being.