Depending on pH, it is sometimes present in the form of lactic acid. However, with the neutral pH maintained by the body, most lactic acid will be present in the blood as lactate. 1  Lactic acidosis is most commonly caused by an inadequate amount of oxygen in cells and tissues (hypoxia).
While olive oil typically doesn't come with negative side-effects, it is pure fat -- which contains more than double the calories of carbohydrates or protein. Therefore, overconsumption can lead to weight gain, which may contribute to heart disease and some types of cancer, according to The New York Times Health Guide..
Both olives and olive oil are promoted as healthy foods primarily because they are high in monounsaturated fats. Cultures whose diets are rich in this type of fat tend to have lower rates of heart disease, cancer, and obesityâeven when their total fat consumption is on the high side.