Symptoms of insect bites and stings. An insect bite or sting often causes a small lump to develop, which is usually very itchy. A small hole, or the sting itself, may also be visible. The lump may have an inflamed (red and swollen) area around it that may be filled with fluid. This is called a weal.
Hormones and the Brain. That's not to say estrogen isn't a major player in regulating moods. Estrogen acts everywhere in the body, including the parts of the brain that control emotion. Some of estrogen's effects include: 1  Increasing serotonin, and the number of serotonin receptors in the brain.
While these conditions are not a direct cause of anxiety, the associated symptoms of a hormone imbalance can trigger anxiety attacks. Here is a short list of some of the conditions that can cause hormonal imbalance and how they can trigger anxiety: Thyroid disease â The thyroid regulates metabolism.These hormones work by either speeding up or slowing down the bodyâs processes.ere is a short list of some of the conditions that can cause hormonal imbalance and how they can trigger anxiety: Thyroid disease â The thyroid regulates metabolism. These hormones work by either speeding up or slowing down the bodyâs processes.