AEDs Arrive. Around 1980, the AED (automated external defibrillator) debuted. The 'automated' part is what is really exciting. Now people with only minimal training can successfully revive VF victims in the field, even before Emergency Medical Services personnel arrive.
Sensitivity has many shades of meaning but most relate to your response to your environment â either physical or emotional. Sensitivity to cold means youâre quick to notice the slightest chill â in the air or in another personâs actions. A sensitivity to pollen means youâre sneezing any time itâs in the air â you just always seem to react to it. Itâs the same with emotions â sensitivity means you pick up on the feelings of others.
1. Hypothyroidism. If you feel cold, then suddenly youâre hot without adjusting the room temperature, it may be due to a thyroid problem. Thyroid, an endocrine gland located above the collarbone, is responsible for regulating the metabolism, heart rate and body temperature. When this gland produces too much thyroid hormone, your temperature increases; on the other hand, when the production of T3 and T4 decreases, your body temperature drops as well.