This can be complicated, however, because the appearance of symptoms tend to be slow.
In fact, it can take several years before a person realises they have a medical problem.
Health coach Rory Batt, MSc, BSc, warned: “It’s quite hard to tell that it’s hypothyroidism, in particular, that’s behind some of these symptoms until it’s confirmed with functional testing.
“Tests available from the NHS are not very descriptive, and do not give the whole picture.”
READ MORE: Underactive thyroid symptoms: Why you struggle to lose any weight