Here are the reasons why one might (at any age) go to see an ob/gyn or midwife: 1  To get birth control. 2  To have STI testing -- if you're experiencing symptoms, or you've had unprotected sex, you should probably have some STI tests done.
A: Gamma rays are used in many different ways; one of the most common uses is inspecting castings and welds for defects that are not visible to the naked eye. Another common use of gamma rays is in the treatment of certain types of cancer.
Before the use of gamma rays, a high-energy, concentrated dose of X-rays was used to treat some cancers. X-rays are still used to identify tumours. X-rays are also used in CAT scans. âCATâ stands for Computer Axial Tomography and generates a three-dimensional image from a large series of two-dimensional X-ray images.