The first group of 75 consumed a low-carbohydrate diet with less than 40 grams of carbohydrates per day. The second group of 73 consumed a low-fat diet with less than 30% of calories from fat and less than 7% of calories from saturated fat. Both groups regularly received nutritional counseling periodically throughout the study meeting with each participant meeting with a dietitian for a total of 10 sessions
Research supports the health benefits of a Mediterranean-style eating pattern that includes several different foods. It is the combination of these foods that appear protective against disease, as the benefit is not as strong when looking at single foods or nutrients included in the Mediterranean diet.  Therefore it is important to not simply add olive oil or nuts to one’s current diet but to adopt the plan in its entirety.
Is there a plan out there that covers what to eat if you are histamine (and amines) intolerant and want to go keto? I have a food list from the Mast Cell Society. Another that is just published for histamines. Another from an allergy clinic for glutamates and amines… sigh! Exhausting trying to cross reference everything! That and I think it leaves little to eat, but no reactions LOL.
Fat is a macronutrient with many benefits, one of which is the absorption of fat-soluble vitamins A, D, E and K. It is also a building block of every cell membrane in the body. It provides energy, slows the absorption of other nutrients (so you feel full longer after a meal) and is required for healthy liver function. Plus, let’s face it, fat makes food taste better.
She went on to research whether a plant-based olive oil diet would improve risk factors for chronic disease, including breast and prostate cancers, relative to a lower fat diet. In one major study of 44 women with breast cancer, participants were assigned either a conventional diet where less than 30 percent of calories came from fat or a plant-based olive oil diet. The women followed the diets for eight weeks of weight loss and then could choose which they wanted to continue on for six months of follow-up. Somewhat surprisingly to Flynn, a strong majority of the women chose her diet, saying that the meals tasted better, were easy to prepare, inexpensive, and could be used both for everyday eating and when entertaining. Moreover, those who have tried to adopt the plant-based olive diet in both research and outpatient settings have mentioned feeling better after just one day following it, which is a powerful motivator for lasting behavior change.
Estruch R, Ros E, Salas-Salvadó J, Covas MI, Corella D, Arós F, Gómez-Gracia E, Ruiz-Gutiérrez V, Fiol M, Lapetra J, Lamuela-Raventos RM. Primary prevention of cardiovascular disease with a mediterranean diet supplemented with extra-virgin olive oil or nuts. New England Journal of Medicine. 2018 Jun 13. [Note: reference updated in June 2018 due to retraction and republication]
Finally, watch your protein intake, it’s very easy to go over on that and excess protein will be converted to sugars in your body (so it’s fine if you work out a lot but if you don’t then just be aware and don’t go overboard). It’s practically impossible to eat too much good fats (avoid trans fats like the plague and try to limit polyunsaturated too as too much of them can promote inflammation in the body and unfortunately they’re in lots of stuff), fats are so satieting though that you’ll nearly always feel way too full before you can eat too much of them (provided the food that they’re in isn’t secretly hiding carbs and protein too, I.e. be careful with the kind of nuts you eat, macadamia only have 5 grams of carbs per 100g but cashews have 20+ so a couple big handfuls of those will nearly knock you out of ketosis like that!)
Flynn proved the success of a diet that’s high in healthy fats in 2010 with a study of 44 women over 50 who’d become overweight during breast cancer treatment. Each woman trialled two eight-week diets: Flynn’s olive oil-based diet and a low-fat food plan as recommended by the US National Cancer Institute. Both diets were made up of 1500 calories a day.