However, it is the accumulation of unhealthful foods in the diet that can have a more negative impact on health. (nutritionfacts.org)
low - income youth and adults are exposed to disproportionately more marketing and advertising for obesity - promoting products that encourage the consumption of unhealthful foods and discourage physical activity. (thelunchtray.com)
For example, people trying to lose weight, especially via calorie reduction and exercise, might find it particularly difficult to feel full, ignore cravings for unhealthful foods and get enough high - energy exercise if they are short on sleep. (scientificamerican.com)