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.
It takes less than a second for a child to be severely scalded by water thatâs too hot. You can ensure a safe bath temperature and avoid scalds in the bathroom by reducing the temperature of the water coming out of your bathroom taps and by following a few safety tips. Bath temperature for babies and children: what you need to know