What is eSports and why do people watch it?

Tobacco: what is it and why do people continue to use it?

C smoking among adults has remained at about 20.8% since 2004 (Centers for Disease Control and Prevention [CDC], 2005b). Those most likely to smoke include men, adults less than age 40, and those living below the poverty line. American Indians/ Alaskan Natives smoke at a much higher rate (32.4%) than nonHispanic Blacks (23.0%), non-Hispanic Whites (21.9%), or Hispanics (15.2%). Cigarette smokin...

What Is Severe Aortic Stenosis and Why Do People Die From It?

SEE PAGE 797 A 63-year-old man notes that his exercise tolerance has diminished over the past year and that he is limited to climbing 1 flight of stairs, reduced from 2 flights previously. His physical examination reveals a late peaking systolic ejection murmur, and his carotid upstrokes are delayed. Echocardiography finds a transvalvular jet velocity of 3.6 m/s, a mean gradient of 28 mm Hg, a ...

What is vitamin A and why do we need it?

minerals and other compounds, is an essential micronutrient. This means that our bodies cannot manufacture it and therefore it has to be included in our diet. Vitamin A from food is stored in the liver until required by the body and is bound to protein before being transported to where it is needed. Vitamin A is essential for many physiological processes, including maintaining the integrity and...

Why People Watch Reality TV

We assessed the appeal of reality TV by asking 239 adults to rate themselves on each of 16 basic motives using the Reiss Profile standardized instrument and to rate how much they watched and enjoyed various reality television shows. The results suggested that the people who watched reality television had above-average trait motivation to feel self-important and, to a lesser extent, vindicated, ...

Rheumatoid cachexia: what is it and why is it important?