When your gut is healthy, the rest of your body hums along happily. That's because your gut influences everything from your digestion to your brain and your immune system.

If your gut isn't at its healthiest, you may experience some apparent digestive symptoms, like gas, bloating, constipation, and diarrhea. But there are some less obvious signs, too. Poor concentration, fatigue, and skin problems can also point to gut issues.

Luckily, there are ways to tell if you have an unhealthy gut, plus expert-backed strategies to cope.