What Types of Radiation Are There? The radiation one typically encounters is one of four types: alpha radiation, beta radiation, gamma radiation, and x radiation. Neutron radiation is also encountered in nuclear power plants and high-altitude flight and emitted from some industrial radioactive sources. Alpha Radiation.
Fatigue: A condition characterized by a lessened capacity for work and reduced efficiency of accomplishment, usually accompanied by a feeling of weariness and tiredness. Fatigue can be acute and come on suddenly or chronic and persist.
Fatigue is that tired feeling that is not relieved by getting sleep. Fatigue can be a symptom of an underlying condition, such as a vitamin D deficiency. Chronic Fatigue Syndrome occurs when severe fatigue symptoms last for more than six months and cannot be contributed to any other medical condition.