The health benefits of olive oil
Numerous studies have shown positive health benefits from consuming olive oil. Olive oil provides the biggest benefits for:
A study published in Pharmacological Research in 2007 found that individuals who are regular consumers of olive oil are less likely to develop heart disease, high blood pressure, high cholesterol or have strokes. Olive oil can also reduce the inflammation in blood vessels that causes heart problems.
A study published in PLOS ONE that followed 12,000 volunteers over a six year period found that olive oil had a protective effect against depression. On the other hand, individuals who ate trans fat on a regular basis were 48 percent more likely to develop depression.
A study from 2014 published in Cancer Treatment and Research found that olive oil provides protective effects against breast cancer. Olive oil contains unique compounds that encourage the death of breast cancer cells and trigger the healthy growth of new cells. Corn oil caused tumors to grow, but olive oil caused them to shrink.
Olive oil contains a compound called oleocanthal, which has been shown in animal studies published in Chemical Neuroscience to remove from the brain the proteins that cause Alzheimer’s disease. Ecological studies have found that in countries where olive oil consumption is high, the elderly are less likely to develop Alzheimer’s disease.
Is your olive oil real?
Many oils sold as “extra-virgin olive oil” are in fact adulterated with cheaper oils. Oil fraud in the United States has gone so far that now the USDA and the California Olive Oil Council have created strict certification processes for olive oil. Any olive oil stamped with the California Olive Oil Council sticker or the USDA Quality Monitored sticker are true olive oils. Other brands are not entirely olive oil and will not provide the same health benefits.
Is olive oil safe when cooked?
At high heats, polyunsaturated fats break down and oxidize, causing inflammation and other health problems. But as a monounsaturated fat, true olive oil is not as easily oxidized. A 2010 study published in Food and Chemical Toxicology tested the safety of cooking with olive oil. The researchers found that it took over 24 hours of heating olive oil at 350 degrees before it started to oxidize. As long as you don’t heat olive oil past 375 degrees Fahrenheit, you should be safe to use it as a cooking oil.
Where to use olive oil
- Dressing for salad, mixed with balsamic vinegar
- Sauté vegetables in olive oil
- Drizzle olive oil on bread
- Scramble eggs in olive oil instead of butter
- Replacement for butter
- Replacement for canola oil in recipes
- Steak marinade
- Cooking oil
- Frying oil
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