At the time Umbach was in Afghanistan, about a decade since US-backed forces captured Mazar-e-Sharif, most people's lives had regained some sense of normalcy. Men were back to their jobs as farmers or factory workers, and girls could go to school.
Dietary fats and oils. Dietary fats and oils are the most concentrated form of energy as they yield 9 calories/g, whereas, carbohydrates and proteins yield only 4 calories/gm. Nuts and oil seeds are good sources of fat. Beside rich in energy, dietary fats are incredible sources of essential fatty acids, vitamin E in addition to act as the transport vehicle for fat-soluble vitamins/hormones. There are two types of dietary fats, visible and non-visible fat.
Animal fats - butter, lard, cream, fat in (and on) meats. Vegetable fats - olive oil, peanut oil, flax seed oil, corn oil, for instance. Fats or fatty acids - this refers to all types of fat. However, fats are commonly referred to as those that are solid at room temperature. Lipids - all types of fats, regardless of whether they are liquid or solid.