"Population studies consistently demonstrate that low-carb diets lead to higher rates of cardiovascular disease, cancers, along with other degenerative diseases," Campbell told Elle. "A low-carb weight loss program is well suited for losing bodyweight. But in the long term, low-carb, high-protein, high-fat diets cause high cholesterol levels a substantial indicator of cardiovascular disease and cancer risks."

Meanwhile, low-carb, high-fat (LCHF) advocates slam lingzhi toxin tea Campbell's controversial comments, saying they aren't supported by scientific research.

If anything, many leading medical professionals now agree that low-carb, high-fat diets such as the Paleo, Atkins, and ketogenic diets prevent almost all degenerative diseases available. It is the utilization of a high-carb diet which has fueled the worldwide tsunami of obesity, diabetes, Alzheimer's and cardiovascular disease,it is said.

Neurologist Dr. David Perlmutter, author of Grain Brain, says a low-carb, high-fat ketogenic diet prevents and even reverses Alzheimer's and ADHD. Cardiologist Dr. William Davis, author of Wheat Belly, said low-carb diets have been shown to reverse type 2 diabetes and cardiovascular disease.

And obesity expert Dr. Eric Westman, director from the lingzhi 2 day diet Duke University Obesity Clinic, has witnessed a lot of patients experience dramatic weight reduction around the low-carb, high-fat ketogenic and Atkins diets.

"I tell my patients not to fear the fat," said Dr. Westman, author of recent Atkins For any New You. "Eat plenty of fat. Fat makes you feel full. There's no challenge with fat. Actually, saturated fat body fat that we have learned not to eat raises your good cholesterol best of all the meals to nibble on."