Red meat, butter, cream, whole milk. All of these animal-based foods are high in saturated fat, which raises blood levels of unhealthy LDL cholesterol. When cholesterol builds up in arteries, it sets off a chain of events that can ultimately lead to a stroke. [health.harvard.edu]
An examination of four studies that together included more than 8,600 people found that eating more saturated fat led to a 39% higher risk for Alzheimer's and more than double the risk for dementia in general. For each additional 4 grams per day of saturated fat people consumed, the risk for dementia increased by 15%. [health.harvard.edu]
