In her words, any product that contains coconut oil, bad for the cardiovascular system because it contains huge amount of cholesterol carried by low density lipoproteins (LDL).
In his speech, the Professor said that coconut oil is "pure poison".
Coconut oil has a long history of use in some parts of the world, particularly in Kerala, a tropical state in southern India.
Experts were also of the opinion that many people believe that cooking with coconut oil is healthy because it has been marketed that way.
So, what are the facts surrounding coconut oil?
And while coconut oil's rep has been well and truly damaged, it may not be all bad - there are reports that it's good for treating patients with dementia, though there isn't enough evidence yet to support these claims.
"We know that diets high in saturated fat are associated with increased non-HDL cholesterol in the blood, and high cholesterol is a risk factor for coronary heart disease and stroke".
"Coconut oil is somewhere in the middle of the spectrum in terms of types of fats", Dr. Walter C. Willett, professor of epidemiology and nutrition at the Harvard T.H. Chan School of Public Health, told CNN.
It has proved to be hard to rank all the different types of oil.
The oil used in the research is a special 100 percent medium-chain coconut oil.
Doctors say this comparison is not valid because their traditional diets also include more fish, fruits, and vegetables than typical American diets.
Other research specifically on coconut oil has explored its effects on metabolism, appetite and cognitive function - but "you can't infer from. studies what coconut oil will and will not do".
"Coconut oil is about 86% saturated fat, about one-third more saturated fat than butter", said Victoria Taylor, a senior dietician at the British Heart Foundation.