Epidemiology of cancer in Saudi Arabia thru 2010–2019: a systematic review with constrained meta-analysis<span style="font-size: 12px"> Running title: epidemiology of cancer in Saudi Arabia thru 2010–2019</span>

Within the diverse cancers reported from Saudi Arabia, the epidemiology of some cancers magnitude 3-fold in the latest years. This increase might be attributed to the changing in the Saudi population lifestyle (adopting western model), lack of cancer awareness, lack of screening & early detection programs, social barriers toward cancer investigations. Obesity, genetics, sedentary lifestyle, tobacco use, viral infection, and iodine & Vit-D deficiency represent the apparent cancer risk factors in Saudi Arabia.