You can blame biology for your sweet tooth. We’re hardwired to have a preference for sweets, and this drive is universal and begins early on, according to research on the subject. Sugar makes food taste good, so food companies add it to everything from breads to soups to salad dressings to cereals, yogurts and more. This adds up to way too much sugar!
There are many ways to do intermittent fasting — ranging from fasting for a number of hours each day up to an entire 24-hour fasting period one or two times a week. “If you're trying to kick a habit like eating late into the night, then stopping eating earlier in the evening and fasting overnight could be beneficial for you,” says Hultin. “There are many types of intermittent fasting, so ensuring you pick one that works for you and your lifestyle is important.”
Eating is for nutrition. This study analyzes weight loss, but not nutrition. I would be interested in which diet meant people had no vitamin or mineral deficiencies. Many people who eat low carbohydrate eat few vegetables and fruit because of their carbo content. I have a difficult time believing that is healthy. The extreme, of course, is the Ketogenic diet.

If you want to reach a calorie deficit of 500 calories per day as suggested by the study, you need to track your food intake, especially at the beginning of your program. Otherwise, you'll never know if you are reaching your target on a regular basis. And consistency is key when you're trying to slim down. So how do you count calories? Some dieters use a smartphone app, but others use a paper journal to plan meals and to record calorie intake. Use the method that works best for you. Eventually, you may be able to ditch the numbers and use a more simple approach, like portion control. But keeping track of calories at the beginning of your program is likely to be helpful.
"Take into account your average weight loss over time and don't let weighing in make you crazy," says Anne M. Fletcher, M.S., R.D., L.D. "You need to create a deficit of 3,500 calories to lose 1 pound, which doesn't happen on a day-to-day basis." Find what works for you, because daily weighing can be misleading. For instance, if you eat Chinese food, which tends to be high in sodium, your weight might jump the next day because your body retains water when you eat a lot of salt.
The Academy of Nutrition and Dietetics (AKA the top nutrition authority in America) released a revised paper this year saying that both vegetarian and vegan diets are best for people's health as well as the environment. If you're not ready to make a complete shift to meatless and cheese-less, consider "part-time" vegan and vegetarian plans, where you eat mostly plant-based at breakfast and lunch or on weekdays, and then eat fish, meat, dairy, and eggs only during designated times.