What are 3 postive effects of radiation and 3 negative effects of radiation?

Answer 1

We will assume you mean ionizing radiation rather than just light or radio waves. OK?

Positive effects:
1. Useful for imaging parts of the body and other objects normally not seeable. Examples: x-rays for bones, CAT scans for softer tissue, x-rays and gamma ray for machine parts, even neutrons for things like bomb and other carbon-based images.
2. Useful for sterilizing material that cannot be subjected to high heat or chemicals. This includes delicate plastics and medical equipment.
3. Useful for killing tumors and cancers. Rapidly dividing cells are more susceptable to the effects of radiation. Cancer cells can be killed without harming surrounding tissue as much.

Negative effects
1. Killing beneficial organisms. Radiation if delivered in an unmonitored, uncontrolled way can kill humans, other animals, and plants.
2. Mutating cells. This can cause lethal effects or if not, it can cause cancer. One of the strangest paradoxes of radiation is that it is both a cause and a cure for cancer.
3. Disrupting the physical properties of materials. Radiation can cause plastics and steel to become brittle and to eventually break.

Answer 2

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What are 3 postive effects of radiation and 3 negative effects of radiation?

Answer 3

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A process known as radiation hormesis mediates its beneficial effect on health. Investigators have found that small doses of radiation have a stimulating and protective effect on cellular function. It stimulates immune system defenses, prevents oxidative DNA damage, and suppresses cancer.

Answer 4

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Answer 5

Radiation poisoning, also called "radiation sickness", is a form of damage to organic tissue due to excessive exposure to ionizing radiation. The term is generally used to refer to acute problems caused by a large dosage of radiation in a short period. Many of the symptoms of radiation poisoning occur as ionizing radiation interferes with cell division. This interference causes particular problems for cells in treating cancer — cancer cells are among the fastest-dividing in the body, and will be killed by a radiation dose that adjacent normal cells are likely to survive.
Radiation sickness is generally associated with acute exposure and has a characteristic set of symptoms that appear in an orderly fashion. The symptoms of radiation sickness become more serious (and the chance of survival decreases) as the dosage of radiation increases. These effects are described as the deterministic effects of radiation.

Exposure to radiation at doses less than that which produces serious radiation sickness can induce cancer as cell-cycle genes are corrupted. If a cancer is radiation induced then the disease, the speed at which the condition advances, the prognosis, the degree of pain and every other feature of the disease is not a function of the radiation dose which the person was exposed to.
Ionizing radiation is either particle radiation or electromagnetic radiation in which an individual particle/photon carries enough energy to ionize an atom or molecule by completely removing an electron from its orbit.An X-ray is ionizing radiation, and ionising radiation can be used in medicine to kill cancerous cells.
In biology, one uses mainly the fact that radiation sterilizes, and that it enhances mutations. For example, mutations may be induced by radiation to produce new or improved species. A very promising field is the sterile insect technique, where male insects are sterilized and liberated in the chosen field, so that they have no descendants, and the population is reduced.

Radiation is also useful in sterilizing medical hardware or food. The advantage for medical hardware is that the object may be sealed in plastic before sterilization. For food, there are strict regulations to prevent the occurrence of induced radioactivity.The growth of a seedling may be enhanced by radiation, but excessive radiation will hinder growth.

Electrons, x rays, gamma rays or atomic ions may be used in radiation therapy to treat malignant tumors (cancer).

Answer 6

positive:
used to detect disease
used to kill food born bacteria
power / electricity

negative:
can cause sickness, kill cells
I dont know the negatives, radiation is a good thing