Just because you follow doctor’s orders—you eat your greens, choose organic when you can, exercise regularly, and get eight hours of sleep each night (err, most nights)—doesn’t mean that your health is in the clear. You may think your post-dinner bloat is totally normal, but sometimes, a subtle symptom like that can signal more serious health issues. Be sure to contact your MD if you notice any of these symptoms. Some foods are naturally difficult to digest, but “if you’re always bloated, it’s time for a health tune-up,” says Joy McCarthy, holistic nutritionist and Genuine Health ambassador. “It could mean you have a food allergy or sensitivity.” Learn about other scary (and normal) reasons your belly is bloated.