Stress causes the release of a hormone called cortisol. Giving rats daily injections of corticosterone (rat cortisol) for several weeks kills certain brain cells. Stressing the rats each day for the same amount of time has an identical effect.
As soon as possible after the burn or scald, ideally within 20 minutes, cool the area of the burn using cool or lukewarm water for 10 minutes to half an hour. Do not use ice, ice water, creams, greases or butter, which can cause further damage. Butter and oils actually retain heat rather than helping to remove it.
Newsletter sign up. Newsletter sign up. Scald can mean a cooking technique, or a disease that hits fruit. In cooking, though usually used in reference to milk, it means to heat a liquid to a point where it's just about to reach the boiling point. At this point, small bubbles will start to appear around the edges. There should also be steam starting.