The Gentse Feesten is a music and theatre festival in the city of Ghent, Belgium. The first Gentse Feesten was held in 1843. The festival starts on the Saturday before July 21 (Belgium's national holiday) and lasts ten days. About 2 million visitors attend the festival every year, making it one of the biggest cultural and popular festivals in Europe.
involuntary contractions of muscles, mainly of the skin, in response to the chilling effect of low temperatures. Shivering may also occur at the onset of a fever when the body's heat balance is disturbed.
Credit: BSIP/UIG Universal Images Group Getty Images. Some of the conditions that WebMD names, such as toxic shock syndrome and cat-scratch disease, have a clear connection to body shaking. However, some of the other conditions, such as lupus, endocarditis and porphyria, may come as more of a surprise. The site also mentions lyme disease, hypothyroidism in adults, bird flu, west Nile virus, ricin poisoning and tick bites as potential causes of body shaking.