Low-protein, high-carb diets may alter weight. Lean protein keeps individuals satiated longer, so those who don't eat it may eat more.
Trusted Source can induce inflammation and obesity. Fast food, muffins, and crackers contain trans fats.
Excess alcohol leads males to acquire weight around their tummies, while female studies are conflicting.
Overeating leads to weight gain. Inactivity makes it hard to lose belly fat.
Cortisol helps the body manage stress. Cortisol, released in risky or stressful situations, might affect metabolism.
Genes may influence obesity. Scientists believe genes affect behaviour, metabolism, and obesity-related disorders. Reliable. Environment and behaviour affect obesity risk.
Short sleep duration may increase belly fat, according to Trusted Source. This study cannot establish causality. Low sleep duration may increase food consumption and belly obesity. Sleep deprivation may also cause emotional eating.
Smoking may not directly cause belly obesity, but researchers feel it is a risk factor.