Your thyroid is one of the most influential organs in your body. The butterfly-shaped gland in your neck produces hormones that regulate metabolism - how your cells convert nutrients into and use energ y- and ultimately keeps all the systems in your body in line and functioning properly. If your thyroid levels are off - either overactive and releasing too many hormones or underactive and releasing too few hormones - it can lead to a host of symptoms. But thyroid problems can be tricky to spot, which is why up to 60 percent of those with thyroid disease aren't aware of their condition.

“It can be challenging to diagnose because no two people have the same two sets of symptoms,” says endocrinologist Dr Anne Cappola.

“You can have two people with the same degree of thyroid hormone abnormality, but their symptoms are completely different.” In other words, there is no one telltale sign or signs that your thyroid is out of whack. So if you're concerned, it's always best to talk to your doctor. “Your doctor will do a physical exam, evaluating the thyroid gland and the body for symptoms related to thyroid dysfunction. Blood tests to check thyroid hormone levels can be performed as well,” says endocrinologist Dr Deena Adimoolam. With that said, here are 10 warning signs to look out for.