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
Certain types of cancer treatments can cause women to have early menopause. This is menopause that occurs before age 40. It happens when your ovaries stop working and you no longer have periods or cannot get pregnant. Early menopause can cause symptoms such as hot flashes and vaginal dryness. Your health care provider can help you find treatments for these symptoms.
Once you have spent a year without menstruating, you have officially entered into menopause. Many of the symptoms from perimenopause, women may experience during menopause. These include: hot flashes, night sweats, irregular periods, and loss of libido; these symptoms occur as a result of lowered hormonal production. In other words, though hormone levels are no longer fluctuating drastically, they are overall lower than during premenopause.