Radiotherapy is one of the most widely used therapies for cancer treatment. It consists of using radiation in its different forms (X-rays, Gamma rays, particles) to harm and destroy tumours, either ...

and gamma rays (PET and SPECT) has revolutionized the management of cancer patients. Technologies such as positron emission tomography (PET) that rely on the use of radiopharmaceuticals represent a ...

This treatment is known as radiotherapy and is prescribed by a specialist cancer doctor called an oncologist. Gamma rays can be directed through the body to target tumours that cannot be treated ...

Gamma rays can also be used to detect and even to treat cancer. Some animals can detect infrared, including many species of snake, and this helps them to hunt their prey. Some insects, birds and ...