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.
Boost Your Metabolism in 15 Minutes 4 Moves to Rev Your Metabolism Kick calorie burning into overdrive with this quick full-body workout Read more: Exercises that Boost Your Metabolism - How to Boost Your Metabolism - Woman's Day.
Exercise is a key ingredient to increase metabolism. The aerobic workouts burn more calories in the short term, and weight training builds the muscles that will boost your metabolism in the long run. During heavy physical exertion, the muscles may burn through as much as 3,000kJ (717 kcal) per hour.