Your body is always sending out signals, though they can be easy to dismiss.

As we get older, paying attention to these cues becomes even more important, since they may point to hidden health problems. Here are eight common signs your body may be trying to alert you to something.

1. Constant Fatigue

If you feel worn out most of the time—even after a full night’s sleep—it could be more than just being busy or stressed. Conditions like thyroid disorders or sleep apnea may be to blame. If you’re often exhausted or find yourself needing naps during the day, it’s worth speaking with your doctor.

2. Shifts in Appetite

Noticing a sudden increase or decrease in how much you eat shouldn’t be brushed aside. While stress or mood changes can play a role, appetite fluctuations may also be tied to hormone issues or diabetes. Keep track of your eating patterns and consult a professional if the changes are dramatic.

3. Unexplained Weight Loss

Dropping pounds without making an effort may seem like a bonus, but it can actually be a red flag. Serious health conditions such as hyperthyroidism, diabetes, or even certain cancers can cause sudden weight loss. If this happens to you, don’t delay in reaching out for medical guidance.

4. Skin Signals