Q:I know olive oil is part of a heart-healthy diet,but is extra-virgin olive oil healthier than regular olive oil?

　　A:Olive oil is indeed a key component of the Mediterranean diet,which is widely recognized for reducing the risk of heart disease and stroke.This diet’s health benefits come from various sources,with olive oil playing a significant role.

　　All olive oils are rich in monounsaturated fatty acids,which constitute about 75%of their content.These healthy fats can help lower“bad”LDL cholesterol when they replace saturated fats in the diet.Additionally,olive oil is known for its antioxidant and anti-inflammatory properties,which are associated with a lower risk of cardiovascular disease,certain cancers,and even dementia among those who consume it regularly.

　　However,extra-virgin olive oil(EVOO)does offer some advantages over regular olive oil.EVOO is made by mechanically pressing ripe olives without the use of high heat or chemical solvents,a process that helps retain a group of compounds known as phenols.These phenols are largely lost during the processing of regular olive oils.Phenols are believed to have antioxidant effects,which could provide extra health benefits.

　　Despite these differences,there isn’t conclusive evidence showing that extra-virgin olive oil is significantly more effective than refined olive oil in preventing heart disease,cancer,or other health conditions.While phenols in EVOO might offer additional benefits,the overall impact on health appears to be similar when both types of olive oil are part of a balanced diet.

　　It’s essential to note that olive oil is just one element of the Mediterranean diet.The diet’s emphasis on a variety of fruits,vegetables,nuts,whole grains,and limited red meat consumption also plays a crucial role in promoting better health.So,while extra-virgin olive oil may have some extra perks,it’s the overall dietary pattern that truly makes a difference in health outcomes.