2. Frequent fevers or infections
Frequently a sign of leukemia, a cancer of the blood cells that starts in bone marrow. It causes the marrow to produce abnormal white blood cells that hinder your body’s infection-fighting abilities.
Cancer
3. Difficulty swallowing
Most commonly associated with throat cancer, but could also be a good indicator of lung cancer.
4. Weakness and fatigue
Such a common symptom of cancer that it should be looked at in combination with other symptoms to determine which it is.
Health
