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 the months or years leading up to menopause (perimenopause), you might experience these signs and symptoms: Irregular periods; Vaginal dryness; Hot flashes; Chills; Night sweats; Sleep problems; Mood changes; Weight gain and slowed metabolism; Thinning hair and dry skin; Loss of breast fullness