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..
Olive oil appears to be particularly beneficial when combined with fish oil, a source of anti-inflammatory omega-3 fatty acids. In one study, olive oil and fish oil significantly reduced joint pain, handgrip strength and morning stiffness in people with rheumatoid arthritis .