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 a term used to describe an overall feeling of tiredness or lack of energy. It isnât the same as simply feeling drowsy or sleepy. When youâre fatigued, you have no motivation and no energy. Being sleepy may be a symptom of fatigue, but itâs not the same thing.