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.
Major Depression Increases With Age. The MMWR says the prevalence of major depression increased with age, from 2.8% among people aged 18 to 24 to 4.6% of people aged 46 to 64.Older people reported less major depression, the CDC says, with only 1.6% of people aged 65 and older reporting depressive episodes.Among other findings: 1  Women were much more likely than men to report major depression, 4% to 2.7%.ajor Depression Increases With Age. The MMWR says the prevalence of major depression increased with age, from 2.8% among people aged 18 to 24 to 4.6% of people aged 46 to 64.