Hypothesis Essay Example | Topics and Well Written Essays - 250 words - 1

Hypothesis - Essay Example The recent trend in awareness about weight gain and loss due to growing concerns about health have given rise to the importance of the calculation of these calories due to a number of reasons. Consuming more than the daily requirement of calories makes a person prone to more diseases. The United States Food and Drug Administration (FDA) as well as the American Heart Association have verified the importance of the number of calories consumed by a person in one day, which comes to around two thousand calories per day. These restrictions are made so as to prevent obesity and the resulting risk of cardiovascular diseases due to high content of cholesterol (Lichtenstein et al., 2006). The increasingly sedentary lifestyle, contributing to greater calorie consumption is primarily the reason why almost all the food packaging comes with labels of ‘Nutrition Facts’ behind them. These labels describe the total calorie count of the food or beverage product along with descriptions of nutrients in them (Stanfield &Hui, 2010). The figure below displays the result of increased calorie consumption. The figure above shows that none of the states show a prevalence of obesity that is below twenty percent. This crucial information depicts the rising levels of a sedentary lifestyle and increasing consumptions of calorie-rich foods. It is important to note here that the numbers of states which have the highest prevalence of obesity are located in the southern region of the United States of America. These were followed by the Midwestern states and Northeastern states. Around twenty three states show a prevalence of twenty five to thirty percent of obesity. It is the prevalent rate of obesity due to excess calorie consumption that leads to not only increasing risks of cardiovascular diseases but also certain other health problems. It is therefore true that with the usage of calories than daily requirement will lead a person to be prone to more diseases. Due to the increased

Protozoan or Fungal infection Essay Example | Topics and Well Written Essays - 500 words

Protozoan or Fungal infection - Essay Example It is one of the most common causes of endemic and epidemic (def) diarrhea all over the world. In the United States, it is the most commonly identified intestinal pathogen that is water-borne and this is evident from the fact that the protozoa has been detected in 80 percent of water supplies from raw sources and 15 percent of filtered water samples. Populations that are affected most commonly are children, travelers, homosexual individuals and those with immunodeficiencies (def). Until now, since 1960s, more than 90 outbreaks related to Giardia have occurred and these outbreaks have affected more than 23,000 individuals. There are some reports that the incidence of this infestation is more common in the Northern states. Internationally, Giardia is a major cause of childhood diarrhea epidemics in United Kingdom and other parts of the world. The prevalence rates are variable, between 4 to 42 percent. Giardiasis is not associated with mortality. Morbidity also is minimal and related to chronic infection. Transmission The life cycle of Giardia is simple and has 2 stages; the trophozoite (def) stage and the cysts (def) stage. The trophozoite exists in the small intestine of the human beings and the cyst exists in the environment. There are no intermediate hosts for this protozoa.