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..
The key is to choose your fats wisely. Olive oil is one of the healthiest types of fat around. The monounsaturated fat in olive oil has been shown to control LDL (bad) cholesterol and raise HDL (good) cholesterol. This can potentially lower your risk of heart disease.