Your metabolism is the rate at which you burn off energy from the food you eat. Everybody's metabolism is slightly different, so everybody has slightly different needs when it comes to calories. As a general rule, the smaller and more physically active you are, the faster your metabolism.
Giardiasis is an intestinal infection of man and animals caused by a protozoan parasite Giardia intestinalis (also known as Giardia lamblia). Giardia is a simple one-celled parasitic species; it is not a worm, bacteria or virus. The parasite occurs worldwide and is a common cause of Traveler's Diarrhea in people.
Diagnosis of giardiasis is confirmed by indentifying the cysts in the stool. The most common cause of water borne intestinal infection in the United States, giardiasis is an infection of the small intestine caused by the GIARDIA LAMBLIA protozoa, which is found in the human intestinal tract and in faces.