1 If you add music and files to your iPod while you are charging the battery, it will take longer for it to charge. 2  Before using your iPod nano for the first time, it is important that you let it charge for a minimum of three hours. 3  If you do not, you can weaken the battery, giving it a shorter lifespan.
There is also a chance that your black period blood is caused by an infection or STD. Uterus infections can cause blackening as well as many STDs. Women that have sex during their cycle also experience black bleeding because the blood was pushed back into the vagina and can become trapped as a result.
Jaundice refers to a yellowish color of the skin or whites of the eyes. When red blood cells die, they release hemoglobin into the bloodstream. The hemoglobin is broken down into a compound called bilirubin, which gives the skin and eyes a yellowish color. Bilirubin also causes urine to be dark yellow or brown. Severe Reaction to a Blood Transfusion. You may develop hemolytic anemia due to a blood transfusion. This can happen if the transfused blood is a different blood type than your blood. Signs and symptoms of a severe reaction to a transfusion include fever, chills, low blood pressure, and shock.