Common cold - Symptoms and causes - Mayo Clinic
2023年5月24日 · Typical signs and symptoms include earaches or the return of a fever following a common cold. Asthma. A cold can trigger wheezing, even in people who don't have asthma. For people with asthma, a cold can make it worse. Sinusitis. In adults or children, a common cold that lasts a while can lead to swelling and pain in the sinuses.
Where is the coldest place on Earth? | New Scientist
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Hypothermia - Symptoms and causes - Mayo Clinic
2024年4月16日 · When the temperature starts to drop, the body can start to shiver. Shivering is the body's attempt to warm itself. It is an automatic defense against cold temperature. Symptoms of hypothermia include: Shivering. Slurred speech or mumbling. Slow, shallow breathing. Weak pulse. Clumsiness or lack of coordination. Drowsiness or very low energy.
Cold urticaria - Symptoms & causes - Mayo Clinic
2021年12月15日 · Cold urticaria symptoms begin soon after the skin is exposed to a sudden drop in air temperature or to cold water. Damp and windy conditions may make a flare of symptoms more likely. Each episode may persist for about two hours. The worst reactions generally occur with full skin exposure, such as swimming in cold water.
Blood pressure: Is it affected by cold weather? - Mayo Clinic
2024年2月28日 · Xu D, et al. Acute effects of temperature exposure on blood pressure: An hourly level panel study. Environment International. 2019; doi: 10.1016/j.envint.2019.01.045. Ushigome E, et al. Seasonal variation in home blood pressure and its relationship with room temperature in patients with type 2 diabetes.
Record broken for the coldest temperature reached by large …
2024年1月31日 · The researchers created about 1100 molecules, each with two potassium and two sodium atoms, at a temperature of 134 billionths of a kelvin – the largest molecules to reach this ultracold ...
Fever - Symptoms & causes - Mayo Clinic
2022年5月7日 · Between 3 and 6 months old and has a rectal temperature higher than 102 F (38.9 C) or has a lower temperature but seems unusually irritable, sluggish or uncomfortable. Between 7 and 24 months old and has a rectal temperature higher than 102 F (38.9 C) that lasts longer than one day but shows no other symptoms. If your child also has other signs ...
Hot and cold: Why do you feel cold at the same temperature in …
2020年3月4日 · In winter with the heating on, the radiators produce convection currents. Colder, denser air falls, displacing warmer air. If the thermostat records 20°C, the temperature at floor level will be ...
Hypothermia - Diagnosis and treatment - Mayo Clinic
2024年4月16日 · Apply the compresses only to the neck, chest wall or groin. Don't apply them to the arms or legs. Heat applied to the arms and legs forces cold blood back toward the heart, lungs and brain, causing the core body temperature to drop. This can be fatal. Don't apply direct heat. Don't use hot water, a heating pad or a heating lamp to warm the person.
COVID-19, cold, allergies and the flu: What are the differences?
2024年11月27日 · There's no cure for the common cold. Treatment may include pain relievers and cold remedies available without a prescription, such as decongestants. Unlike COVID-19, a cold is usually harmless. Most people get better from a common cold in 3 to 10 days. But some colds may last as long as two weeks.