A miscarriage can be a common cause of brown to black vaginal bleeding. Not all the women realize that they are pregnant until there is an abnormally heavy bleed particularly consisting of large clots or the color varying from the normal period blood.
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In women, who start out with proportionally less muscle than men, this process takes a bigger toll on the waistline. The average female gains around 20 to 25 pounds of fat between the ages of 20 and 50. Weight training can also raise a person's metabolic rate for as long as 12 hours after exercising. That means that if you lift weights, your body will burn calories faster.