Many studies have focused on diets that reduce calories via a low-carbohydrate (Atkins diet, Scarsdale diet, Zone diet) diet versus a low-fat diet (LEARN diet, Ornish diet). The Nurses' Health Study, an observational cohort study, found that low carbohydrate diets based on vegetable sources of fat and protein are associated with less coronary heart disease.[29] The same study also found no correlation (with multivariate adjustment) between animal fat intake and coronary heart disease (table 4). A long term study that monitored 43,396 Swedish women however suggests that a low carbohydrate-high protein diet, used on a regular basis and without consideration of the nature of carbohydrates or the source of proteins, is associated with increased risk of cardiovascular disease.[30]

So, how can you lose more than 3 pounds then? Well our bodies are more complex than simple calorie-counting would have you believe. Each person’s metabolism is different and reacts differently to the diet. Many people burn more than 2000 calories in a day, just through their regular activities, which would mean you’d lose more weight. It’s also possible that you typically consume more than 2000 calories in a day- making the effects of the diet even more dramatic.
Low-calorie diets are also referred to as balanced percentage diets. Due to their minimal detrimental effects, these types of diets are most commonly recommended by nutritionists. In addition to restricting calorie intake, a balanced diet also regulates macronutrient consumption. From the total number of allotted daily calories, it is recommended that 55% should come from carbohydrates, 15% from protein, and 30% from fats with no more than 10% of total fat coming from saturated forms.[citation needed] For instance, a recommended 1,200 calorie diet would supply about 660 calories from carbohydrates, 180 from protein, and 360 from fat. Some studies suggest that increased consumption of protein can help ease hunger pangs associated with reduced caloric intake by increasing the feeling of satiety.[4] Calorie restriction in this way has many long-term benefits. After reaching the desired body weight, the calories consumed per day may be increased gradually, without exceeding 2,000 net (i.e. derived by subtracting calories burned by physical activity from calories consumed). Combined with increased physical activity, low-calorie diets are thought to be most effective long-term, unlike crash diets, which can achieve short-term results, at best. Physical activity could greatly enhance the efficiency of a diet. The healthiest weight loss regimen, therefore, is one that consists of a balanced diet and moderate physical activity.[citation needed]
Cancer, a very common and sometimes fatal cause of unexplained (idiopathic) weight loss. About one-third of unintentional weight loss cases are secondary to malignancy. Cancers to suspect in patients with unexplained weight loss include gastrointestinal, prostate, hepatobiliary (hepatocellular carcinoma, pancreatic cancer), ovarian, hematologic or lung malignancies.
The researchers agree that the diet itself isn’t inherently dangerous. But, cautions Weiss, “If you have any medical condition, if you take any medicine at all – there are lots of things that change how medicines work in our bodies, and nutrition is definitely one of them. If you’re making a real change in your nutrition, you really should talk to your doctor.”
Being seriously committed to this type of eating, I've found it helpful to have a ketone blood tester to check on where I'm at, at different points. The breath and urine testers are a waste of money if you want accurate testing. The tester I found, and believe is the most accurate and least expensive is called Keto Mojo. It tests both ketones and glucose and if you purchase it from them, you're guaranteed to be able to purchase ketone test strips for only .99 cents, instead of the $2.00 to $7.00 each, as I've seen them listed for on the internet.
I’ve never been one to focus too much on “mindful eating” because the idea of meditating on a grape is not my style. But I learned it does take more than that just focusing on what's on my plate. And yes, that means to eat more consciously. Here, I'm sharing the weight-loss tips and rules that work for me (and a glimpse at what you'd find on my 2B Mindset program).