Radiation is invisible, but its harm is visible – A comprehensive analysis of the hazards of radiation to the human body and the necessity of protection.

2025/10/20 15:11

Radiation is invisible, but its harm is visible – A comprehensive analysis of the hazards of radiation to the human body and the necessity of protection.

With the rapid development of modern medicine and technology, the use of technologies such as X-rays, CT scans, and nuclear energy is becoming increasingly widespread. While we enjoy their convenience, we must also face a potential risk: radiation hazards. Radiation is colorless, odorless, invisible, and intangible, but its harm to human health is real and serious. Understanding the hazards of radiation is the first step to effective scientific protection.


1. How does radiation harm our body?


Radiation, especially ionizing radiation, interacts with molecules within cells when it penetrates the human body. The main mechanisms of damage are as follows:


Damage to cell structure: High-energy radiation directly damages the core of cells—DNA. If DNA breaks or becomes erroneous, normal cell function is impaired, and cells may even die.


Inducing gene mutations: When damaged cells attempt to repair themselves, errors may occur, leading to gene mutations. These mutations are long-lasting and potentially harmful, posing health risks for years to come.


Affecting hematopoietic function: Hematopoietic tissues such as bone marrow are extremely sensitive to radiation. Exposure to radiation can cause a sharp drop in white blood cell and platelet counts, impair immunity, and increase the risk of infection and bleeding.


II. What are the specific harms of radiation to the human body?

Radiation harm to the human body can be divided into deterministic and stochastic effects.


Deterministic effects (short-term, high-dose exposure):

When a person is exposed to a high dose of radiation over a short period of time, a series of distinct symptoms will appear, with severity proportional to the dose. These symptoms include:


Skin lesions: redness, swelling, ulcers, and hair loss.


Radiation sickness: Nausea, vomiting, fatigue, and decreased immunity.


Organ failure: Extremely high doses can lead to multiple organ failure and even death.


Stochastic effects (long-term, low-dose cumulative):

This is a risk that requires greater vigilance in daily protection. Even long-term exposure to low-dose radiation can randomly and without a threshold trigger long-term effects:


Increased risk of cancer: This is the most concerning long-term hazard. Radiation can significantly increase the incidence of various cancers, including leukemia, thyroid cancer, lung cancer, and breast cancer.


Genetic Effects: Damage to germ cells may lead to hereditary diseases in offspring, impacting the health of future generations.


Effects on the Embryo and Fetus: Radiation exposure during pregnancy may cause fetal malformations, intellectual disability, or growth retardation.


III. Scientific Protection: Building a Safety Barrier for You

Recognizing the potential hazards of radiation, we must never take chances. Whether in medical radiology departments and interventional therapy rooms, industrial NDT, or nuclear energy applications, establishing a compliant and reliable radiation protection system is a top priority for the health and safety of workers and the public.


Shandong Qi Te Radiation Protection Engineering Co., Ltd., with deep expertise in radiation protection, is your trusted radiation protection expert. We deeply understand the critical importance of radiation safety and are committed to providing comprehensive solutions to our customers.


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Radiation protection is an investment that affects your life and future. Choosing Shandong Qite means choosing peace of mind and security. Contact us to customize a safe and compliant radiation protection solution for you.


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