Variance. The Variance is defined as: The average of the squared differences from the Mean. To calculate the variance follow these steps: 1  Work out the Mean (the simple average of the numbers). 2  Then for each number: subtract the Mean and square the result (the squared difference).3  Then work out the average of those squared differences.o calculate the variance follow these steps: 1  Work out the Mean (the simple average of the numbers). 2  Then for each number: subtract the Mean and square the result (the squared difference).
Causes of Hormone Imbalance. Hormonal balance is vital to a healthy, cancer-free mind and body, but can be disrupted in many ways. Hormone fluctuations occur naturally, such as in puberty, menopause and perimenopause. Hormone imbalance may also be caused by toxins or an unbalanced lifestyle. Understanding the causes of hormone imbalance empowers us to prevent them, and at the same time, feel better, think better, and better prevent breast cancer.
Hormones and hormonal changes are the leading cause for hair loss. Whether or not your hair is recoverable depends on the cause of your hormone imbalance, for which there are many. From a genetic predisposition to birth control pills to menopause, there are natural causes of hormone imbalance and preventable ones. Consult your primary care physician about getting your hormone imbalance under control, which is the most important thing. Your hair may grow back as a result.