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.
Best Answer: Yeah ovulation could be making you moody for sure, it's because of the change in the levels of hormones in your system - ie rise in oestrogen, progesterone and lutenising hormone. This can effect sex drives in both ways - some people it heightens the want to have sex and others it decreases it.