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.
Giardia is a parasite that infects the intestines of humans and animals. When a person gets sick, the infection is called giardiasis, or 'beaver fever'. Giardiasis is one of the more frequently identified infectious causes of diarrhea lasting more than 2 weeks.ou can also become infected by eating raw or undercooked food contaminated with cysts. Giardia can also spread from person-to-person in settings where there is fecal incontinence (lack of control over bowel movements) and poor hygiene, such as child care centers.