other factors that shift demand curves income is not the only factor that causes a shift in demand other things that change demand include tastes and preferences the composition or size of the population the prices of related goods and even expectations
Causes of Early Menopause. Like in menopause that happens later in life, hormonal fluctuations are one of the root causes of early menopause. However, it is not fully known why these hormonal fluctuations are triggered earlier for some women.
In early menopause estrogen levels can rapidly decline causing symptoms to appear suddenly, feel severe, and last longer. Here are some telltale signs you are in early menopause. 1  You are between the ages of 40-45.  You experienced an absence of periods for a full 12 months.