There's a red flag symptom of a deadly cancer doctors are warning people to keep an eye on - and you're most likely to experience it at night.
Only 48% of adults admitted in a recent Cancer Research UK survey, that they would seek GP advice within weeks of noticing a possible sign of the disease - including an unexplained lump, or coughing up blood
But night sweats are a more subtle warning sign, and are easily explained away by a number of other conditions.
