See cancer for the biology of the disease, as well as a list of malignant diseases. Oncology is a branch of medicine that deals with the prevention, diagnosis and treatment of cancer. A medical professional who practices oncology is an oncologist. The name's etymological origin is the Greek word á½Î³ÎºÎ¿Ï (Ã³nkos), meaning tumor, volume or mass.
1 An increase in maternal age affects the chances of miscarriage. 2  Women under the age of 35 yrs old have about a 15% chance of miscarriage. 3  Women who are 35-45 yrs old have a 20-35% chance of miscarriage. 4  Women over the age of 45 can have up to a 50% chance of miscarriage.
Between 2009 and 2012, 7.6 percent of Americans aged 12 and older were suffering from moderate to severe depressive symptoms. Women accounted for the highest rate of depression across all age groups. Women between the ages of 40 and 59 had the highest rate of depression at 12.3 percent. While rates of depression increased in both males and females from 5.7 percent among those aged 12 to 17 to 9.8 percent among those aged 40 to 59, depression rates saw a dramatic decline after the age of 60 back to 5.4 percent.