The human body is quite the scientific marvel, not only in how it functions but also in how it is continuously working to heal itself.
By paying attention and observing your body, you will notice that your body has a very impressive self-protection mechanism.
And while we've taken great strides in science and technology, there's still much to be learned about human bodies.
Our bodies are constantly sending us signals as to what is going on within them - much like when you're driving a car and the 'low petrol' or 'check engine' sign comes on - our bodies have a certain way of communicating to us that there's a problem that needs fixing.
However, most of the time we're either not paying attention to these indicators or we don't know that they're signs that the body is asking for help.
So, here are 6 common tell-tale signs that you should really hit up your doctor for a check-up: