I eat healthy and do a lot of exercise but still can't lose weight? how do you know if you have thyroid problems?

Blood tests: Simple blood tests can quickly determine thyroid function. Most weight gain problems are not thyroid related. Please discuss with your doctor.

Your doctor: Your doctor can tell you if you have thyroid problems. Common symptoms include fatigue, hair loss, dry skin, and difficulties with your period.

Blood tests: Combination of symptoms, physical signs but most importantly blood tests will prove if you have a thyroid problem or not. See your doctor for blood testing.