Earwax or even a piece of hair could be lying on top of the eardrum and when the eardrum vibrates, it may cause funny noises (just like a piece of string on a lightly beating drum). Obviously, treatment is by removal. Eustachian Tube Dysfunction can also cause crackling/popping noises.
Adverse Reactions to Elemental Iron Supplements Meeting your daily iron recommendation is important, and you may have to take supplements to get what you need. Iron's primary function is carrying oxygen through your blood and delivering it to cells, tissues and all of your organs.
An iron supplement can keep you from being one of the millions of people who may not be getting enough iron every day.***. Iron helps support normal red blood cell production.**. Iron is a necessary component of hemoglobin. Iron is a key player in energy metabolism .**.Iron is involved in neurotransmitter synthesis. An iron supplement can counteract some common nutrients (like calcium in fruits and vegetables) that can decrease the bodyâs ability to absorb Iron from food.he body's normal supply of iron is maintained by the body itself; it adjusts and controls the amount it absorbs from the food we eat. 1  Every living cell contains iron. 2  Iron promotes normal red blood cell production. 3  Iron is a vital component of hemoglobin. 4  Hemoglobin is the protein that transports oxygen in the blood.