Given a passage and a query based on the passage, generate an unambiguous, concise and simple answer to the query from information in the passage. Note that the answer may not be present in exact form.

Here's how your body reacts to fear. Courtesy of Oprah's "O" Magazine. The moment you recognize a threat, your amygdala -an almond-shaped structure in your brain - directs a cascade of changes in your body so you can respond appropriately. Basically, it tells your body "Something scary's happening! With a fever, the hypothalamus has reset the body's internal thermostat. Hyperthermia is a symptom that sets in when the body isn't able to maintain temperature properly -- it literally overheats. Hyperthermia can be serious. If the body's temperature rises too high, your organs can suffer damage. Generally, hyperthermia isn't a disease. It's a side effect of another problem, just like itching is a side effect of an allergic reaction to poison ivy. Once the bacteria that causes typhoid fever is consumed, it travels from the digestive system into the blood. As the bacteria travel through the body, Once the bacteria that causes typhoid fever is consumed, it travels from the digestive system into the blood. As the bacteria travel through the body, symptoms like high fever, headache, and overall fatigue can develop. The digestive system is also affected by the bacteria, which leads to stomach pain, diarrhea or constipation, and weight loss. The hypothalamus works with other parts of the body's temperature-regulating system, such as the skin, sweat glands and blood vessels the vents, condensers and heat ducts of your body's heating and cooling system. The middle layer of the skin, or dermis, stores most of the body's water. The life-threatening disease typhoid fever results from the ongoing battle between the bacterial pathogen Salmonella and the immune cells of the body. A research group has now uncovered how the typhoid pathogen repeatedly manages to evade the host's immune system. How Does Illness Cause Fever? Bacteria and viruses themselves, as well as toxins (poisonous waste products) produced by some bacteria, cause fever. In some cases, they work directly on the brain to raise the thermostat. 1 Correct! The clearing and settlement of rainforests has exposed woodcutters, farmers, and ecotourists to new vector-borne diseases. 2 Sorry, that's incorrect. The clearing and settlement of tropical rainforests has exposed woodcutters, farmers, and ecotourists to new vector-borne diseases. A radiation dose as low as 0.35 Gy could feel a bit like you have the fluexpect nausea and vomiting, headaches, fatigue, and fever. If the body is exposed to a higher dose, somewhere between 1-4 Gy, blood cells begin to die. Fever, also known as pyrexia and febrile response,[6] is defined as having a temperature above the normal range due to an increase in the body's temperature set-point.[4][5] There is not a single agreed-upon upper limit for normal temperature with sources using values between 37.5 and 38.3 C (99.5 and 100.9 F).[6][7] The increase in set-point ... It's very important to understand that a fever is a normal response of the body to foreign invaders like bacteria and viruses. The body recognizes a foreign invader and the brain acts to increase body temperature to make things unsuitable for the foreign invader. Most bacteria can only tolerate a certain temperature range and once outside of it, do not survive. Query: how does your body react with a fever
It's very important to understand that a fever is a normal response of the body to foreign invaders like bacteria and viruses. The body recognizes a foreign invader and the brain acts to increase body temperature to make things unsuitable for the foreign invade