Cancer symptoms, much like many other serious diseases, often have vague symptoms. Early-stage diagnosis is mostly possible when people get regular screenings and on rare occasions, people identify certain early signs and get them checked out. Nobody expects a cancer diagnosis, believing they are not at risk if their family does not have a history of it, however there are many other risk factors that are associated with cancer. Signs you may ignore as day-to-day ailments or discomfort, but they could lead to devastating diagnoses. The Cancer UK explains that symptoms vary in people, and it is best if you get any symptom, out of the ordinary looked at by a doctor. While most of it is not caused by cancer, having that sense of assurity can be helpful and aid you in any other future diagnoses, whether related to cancer or not. Hidden Cancer Clue One symptom you can only spot at night is heavy sweating. It's not fully understood why some cancers cause night sweats. It might be your body fighting the cancer, changes in hormone levels, or your body trying to cool down if cancer causes a fever. Of course, night sweats can have other, less serious causes, like exercising before bed, drinking hot beverages, consuming too much alcohol, or having your heating set too high. However, if they start happening suddenly and without explanation, they could be one of the 23 key "red flag" cancer symptoms to watch out for, according to Cancer Research UK.Here are the common cancer symptoms identified by Cancer Research UK: Very heavy night sweatingFatigue (extreme tiredness)Unexplained bleeding or bruisingUnexplained pain or achesUnexplained weight lossAn unusual lump or swelling anywhere on your bodyA new mole, or a change to an existing moleSkin changes or a sore that won't healA croaky or hoarse voice, or a cough that won't go awayCoughing up bloodDifficulty swallowingBreathlessnessPersistent heartburn or indigestionUnusual changes to the size or feel of your breastPersistent bloatingLoss of appetiteA change in bowel habits (like constipation, looser stools, or going more often)Blood in your stoolUnexpected vaginal bleeding (after sex, between periods, or after menopause)Blood in your urineProblems urinating Why Early Detection Matters Both the NHS and Cancer Research UK emphasize the importance of being aware of your body and any new or worrying symptoms. The NHS UK explain although it's unlikely to be cancer, it's important to speak to a GP so they can investigate. Finding cancer early means it's easier to treat. If your GP suspects cancer, they'll refer you to a specialist usually within 2 weeks. Cancer Research UK adds, "There are over 200 different types of cancer that can cause many different signs and symptoms. Sometimes symptoms affect specific areas of the body, such as our tummy or skin. But signs can also be more general, and include weight loss, tiredness (fatigue) or unexplained pain. It's important to be aware of what is normal for you and speak to your doctor if you notice any unusual changes or something that won't go away. This can help to diagnose cancer at an early stage, when treatment is more likely to be successful."Being aware of these signs and seeking medical advice quickly could make a significant difference in treatment success.