Overview â The distinctive tiger shark lives in both coastal and open seawaters, usually from the surface to around 459 feet. Young members of this species sport black stripes arranged over their otherwise gray backs and sides. These stripes can fade as the shark ages, making it look more like a great white than a tiger shark. Somehow it seems appropriate that this nocturnal, aggressive shark prefers dark, murky waters.
Obesity is one of the most important causes of bowel cancer [6, 9, 10]. Some groups have estimated that being overweight or obese causes about 11-14% of bowel cancer cases [10, 15, 17, 18]. Many large studies have found that bowel cancer is more common in overweight or obese people [7, 22-25].
Therefore the most common causes of obesity are overeating and physical inactivity. Ultimately, body weight is the result of genetics, metabolism, environment, behavior, and culture.1  Genetics. 2  A person is more likely to develop obesity if one or both parents are obese.3  Genetics also affect hormones involved in fat regulation. 4  For example, one genetic cause of obesity is leptin deficiency.ltimately, body weight is the result of genetics, metabolism, environment, behavior, and culture. 1  Genetics. 2  A person is more likely to develop obesity if one or both parents are obese. 3  Genetics also affect hormones involved in fat regulation.