Oncologists told us what symptoms indicate the onset of cancer. A group of oncologists compiled a list of common physiological signals to determine the possible onset of cancer, The Russian Times . According to doctors, the episodic increase in body temperature, as well as sudden weight loss can be called the first signs of an early stage of cancer. Also, attention should be paid to fatigue, drowsiness, dizziness, headache. Constipation, diarrhea and other digestive disorders can become for many the first signals of the onset of cancer. As advised by oncologists, one should pay attention to the appearance of changes on the skin. Cancer cells, University of Oxford “These symptoms, both separately and in aggregate, can not be called the first confirmation of cancer, but it is necessary to apply to a doctor,” the specialists said. Representatives of the scientific community suggest that during the process of cell division when copying DNA, accidental breakdowns occur. Most cases of cancer are recorded after such processes in the genetic structure. According to scientists, in this case even a healthy lifestyle will not affect the situation. Previously, staff at Cambridge University called causes of spread of infectious cancer .