Are seed oils or animal fats, like butter and tallow, better for you? Experts discuss the benefits and downsides, and the healthiest types.

An influencer says a high-fat diet consisting of meat, butter, eggs — and no vegetables helped her lose 30 lbs., cleared up her cystic acne and psoriasis and improved her PMS symptoms. An expert says ...

"The findings are consistent with a plant-based diet overall as the healthiest way of eating," one expert said.