Non-ionising radiation has lower frequencies and bigger wavelengths. This is illustrated by Figure 1. Excessive infrared radiation can result in heat strokes and other similar reactions particularly in elderly, infirm or very young individuals. The fact that the working frequencies of the antenna chosen for this project are both in microwave range (406 MHz and 1575 MHz) means that the kind of radiation and radiation effects that will be studied is non-ionizing radiation. Thermal Effects: Heating of tissues in the human body is the principal effect of infrared radiation. Read this article to learn about the effects of radiation on human body. Many experts are of the opinion that nonionising - radiation produces only thermal effects, or tissue heating, and that at high exposure levels, It is emitted by sun, the radioactive material in earth, outer space, food, rocks and even the human body. While experts disagree over the exact definition and effects of “low dose,” U.S. radiation protection standards are based on the premise that any radiation exposure carries some risk. It comes from both natural and manmade sources. damage human cells and cause cancer. Non-ionizing radiation has less energy than ionizing radiation; it does not possess enough energy to . ) • Natural radioactivity in the human body Non-Ionizing Radiation The lower part of the frequency spectrum is considered non-ionizing Electromagnetic Radiation (EMR), with energy levels below that required for effects at the atomic level. When the Radiation is fall on normal cell it causes the change in D.N.A of cell and effect the cell. Radon Although studies of the effects of such radiation on biological specimens have been described in reports since 1927, the literature has become so extensive and involves so many different scientific fields that specific information concerning the possible hazards to 3. Figure 1 External and Internal Radiation Hazards For external sources to cause harm they must be able to penetrate the body and affect our cells. Introduction: Radiation exists in the environment as a normal component of nature. Whole body effects ~ 4 Gy death, LD50/30 radiation sickness, malaise, nausea, fatigue, loss of appetite, vomiting 1 - 2 Gy Effect Threshold dose. There are two forms of radiation – non-ionizing and ionizing – which will be discussed in sections 3.1 and 3.2, respectively. Naturally Occurring (Background) Radiation. The human height is … At moderate levels of exposure, the warmth experienced from being in the sun is relaxing and restorative. It is similar to that of cooking in the microwave oven. Radiation is energy in the form of waves of particles. BIOLOGICAL EFFECTS When a human body is exposed to the electromagnetic radiation, it absorbs radiation, because human body contains 70% of liquid. The effect which occur in human body by the exposure from Ionizing Radiation. Skin effects ... Estimation of risk to human embryo No term >1000 Mother >500 100 N/A UNK 50-150 >500 > 1000 250-500 50 N/A UNK energy from ionising radiation can . III. 1.2 Antenna Radiation Effects This project is focused on the study of radiation effects of Antenna in Human Tissues. effects of radio frequency radiation on the human body. Ionizing radiation Ionizing radiationRadiation with so much energy it can knock electrons out of atoms. radiation or by something else. The Radiation damage the cell and tissue of human body and all these effect on body by radiation are called Biological effect of Radiation. meters, so the radiation level in the top two floors remain very high. 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