But don't jump to conclusions – the swelling isn't a surefire sign of heart failure; it could be down to something as simple as a sprain or an insect bite. Oedema, the medical term for swelling ...

In the quiet hours of the night, your heart beats steadily onward ... This nocturnal warning sign often manifests through morning headaches, daytime fatigue, and the telltale chorus of snoring ...

A lesser-known symptom in the leg could be a tell-tale sign of a dangerous health condition, experts have warned. This red flag could mean you are at greater risk of heart attacks and strokes.