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.
The World Cancer Research Fund concluded that obesity is probably linked to an increased risk of aggressive prostate cancer, based on a 2014 meta-analysis of all the evidence [77]. Obesity isn't linked with risk of prostate cancer overall.
Exposure to pollutants such as metals, dust, chemicals, or pesticides can increase the risk of cancer. At least four types of DNA viruses, hepatitis B and C viruses, Epstein-Barr virus, and human papillomavirus, are directly believed to cause human cancers. Nutrition is emerging as a way to help prevent cancer.