Who discovered it and how has the technology been developed?

The German physicist Wilhelm Conrad Röntgen (born 1845 in Lennep, Germany) discovered X-ray radiation by coincidence in 1895.

In general, focused radiation produces chemical radicals that impair tumour (and other) cells and inhibit their proliferation. The aim of radiotherapy is to destroy cancer cells while sparing as much healthy tissue as possible from harm.

Colonoscopy means the examination of the colon with a colonoscope. Additionally, tissue samples can be extracted through specific channels. The examination of the small intestine is called enteroscopy, and it is far more complicated than a colonoscopy.

There are four types of Sexually Transmitted Diseases (STDs) classified by their pathogens: bacterial, fungal, viral, and parasitic infections.

There are four types of Sexually Transmitted Diseases (STDs) classified by their pathogens: bacterial, fungal, viral, and parasitic infections. My previous article focused on the most common bacterial STDs. In this article I am going to focus on the most common viral and parasitic STDs.

What are Sexually Transmitted Diseases (STDs)? STDs are diseases that are transmitted via various types of sexual intercourse – including vaginal, oral and anal intercourse. STD infections mostly occur in the genital and anal mucosae. However, they may also infect the eyes, the mouth and pharynx.

Repeatedly, newspaper headlines feature corporate scandals concerning germs in food. Most recently (2019) a German meat producing company had to shut down after three cases of death (and severe illness) linked to sausages contaminated with Listeria. It was proven that the production had not been hygienic.

In the January issue 2020, I described the basics of skin cancer. In this issue I am going to discuss the three major types of skin cancer.

In December 2019 there was a cluster of pneumoniae cases in the Chinese city of Wuhan (pop. approx. 11 Mio). It initially affected a group of people with pneumoniae who had been associated with people at a seafood and live animal market in Wuhan. This market was then closed on the 1st of January in 2020. In...

“WHY THEN, CAN ONE DESIRE TOO MUCH OF A GOOD THING?”

William Shakespeare, As You Like It (1600 AD)