It’s not the same as the feeling you get following a tiring day at working or playing.
A severe fatigue that doesn’t go away or get better when you rest may be a sign that you are suffering from cancer.
Your body’s nutrition is used to develop and grow therefore, the nutrients you need aren’t filling up your body. The “nutrient theft” can make people feel exhausted.
There are many underlying reasons for fatigue, most are not related to cancer. If you are experiencing symptoms that are serious enough to interfere with your life quality contact your physician.