Avocados are a fruit that are very rich in nutrients.  They can grow in many different locations but are native to the Mesoamerican region.   They contain folate, which helps to prevent heart disease, stroke, and Alzheimer's disease.  Folate also reduces the risk of certain birth defects, such as spina bifida, and is good for healthy cell and tissue development.  They contain vitamin E, which is good at slowing down the aging process and protecting the body against heart disease and some forms of cancer.
Avocados even contain a toxin that can kill cancer cells.  They contain monounsaturated fat, which lowers bad cholesterol and raises good cholesterol.  Monounsaturated fat is also good for cognitive and visual development.  They contain lutein, which protects the body against prostrate cancer and certain eye diseases, such as cataracts and macular degeneration.  The fruit can also be used to treat skin disorders and to heal people who suffer from digestive and circulatory problems.  They are high in oleic acid, which is good for preventing breast cancer.

Avocados contain many minerals that are important for good health.  They contain potassium, calcium, vitamin C and K, folic acid, copper, sodium, and dietary fibers.  Potassium is good for regulating blood pressure.  Sodium  is good for reducing the risk of high blood pressure and stroke.