Do you feel like something isn't quite right, but you can't really put your finger on it? What if your body is simply trying to warn you? Before a health problem becomes clearly apparent, our bodies often send out subtle, almost invisible signals. If you pay attention to them, they can allow you to take action before a problem develops.
Here are 8 signs you shouldn't ignore—and what they might reveal.
Frequent mouth ulcers: a small wound, an important message
These small, painful ulcers in the mouth can be linked to a deficiency in vitamin B12, iron, or folic acid. But they can also signal significant stress or a weakened immune system. If they become frequent, it's best to identify the cause.
