AIDS is the disease caused by the damage that HIV does to your immune system. You have AIDS when you get rare, dangerous infections or have a super low number of CD4 cells. AIDS is the most serious stage of HIV, and it leads to death over time.
1 One in every 330 Americans will develop cancer by the age of 20. 2  On the average, 12,500 children and adolescents in the U.S. are diagnosed with cancer each year. 3  On the average, 1 in every 4 elementary school has a child with cancer. 4  The average high school has two students who are a current or former cancer patient.
According to the American Cancer Society, 1,688,780 new cases of cancer will be diagnosed in 2017. Let's take a look at the cancers that are estimated to be the most diagnosed this year, as reported on the American Cancer Society's most recent facts and figures annual report. 1. Breast cancer. Unsurprisingly, breast cancer is predicted to be the most commonly diagnosed cancer among women in the coming year, with 252,710 women and 2,470 men expected to receive a new diagnosis. Breast cancer is the second-leading cause of cancer deaths among women.