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 Thermal Effects: Heating of tissues in the human body is the principal effect of infrared radiation. When the Radiation is fall on normal cell it causes the change in D.N.A of cell and effect the cell. Ionizing radiation Ionizing radiationRadiation with so much energy it can knock electrons out of atoms. There are two forms of radiation – non-ionizing and ionizing – which will be discussed in sections 3.1 and 3.2, respectively. Radon damage human cells and cause cancer. 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. Excessive infrared radiation can result in heat strokes and other similar reactions particularly in elderly, infirm or very young individuals. meters, so the radiation level in the top two floors remain very high. 3. It is similar to that of cooking in the microwave oven. 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. Introduction: Radiation exists in the environment as a normal component of nature. At moderate levels of exposure, the warmth experienced from being in the sun is relaxing and restorative. • 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. The effect which occur in human body by the exposure from Ionizing Radiation. The human height is … BIOLOGICAL EFFECTS When a human body is exposed to the electromagnetic radiation, it absorbs radiation, because human body contains 70% of liquid. 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 III. has sufficient energy to affect the atoms in living cells and thereby damage their genetic material (DNA). energy from ionising radiation can . Naturally Occurring (Background) Radiation. radiation or by something else. THE HUMAN BODY The human body is affected by ionizing radiation from sources outside the body (an external source) and from radioactive materials which have entered the body (internal contamination). Examples of non-ionizing radiations are: • Static electromagnetic fields from direct current (0 Hz) Ionizing radiation can affect the atoms in living things, so it poses a health risk by damaging tissue and DNA in genes. 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. Non-ionising radiation has lower frequencies and bigger wavelengths. Radiation is energy in the form of waves of particles. effects of radio frequency radiation on the human body. This is illustrated by Figure 1. Whole body effects ~ 4 Gy death, LD50/30 radiation sickness, malaise, nausea, fatigue, loss of appetite, vomiting 1 - 2 Gy Effect Threshold dose. 1.2 Antenna Radiation Effects This project is focused on the study of radiation effects of Antenna in Human Tissues. It comes from both natural and manmade sources. 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