While there are endless diets, supplements, and meal replacement plans claiming to ensure rapid weight loss, most lack any scientific evidence.
There are, however, some strategies backed by science that do have an impact on weight management.
Here are 9 effective methods of weight loss backed by science that you should use today.
1. Track your meals and exercise
If someone wants to lose weight, they should be aware of everything that they eat and drink each day. The most effective way to do this is to log every item that they consume, in either a journal or an online food tracker.
Researchers estimated in 2019 that there would be 4.1 billion health app downloads by the end of the year. Of these, apps for diet, physical activity, and weight loss were among the most popular. This is not without reason, as tracking physical activity and weight loss progress on-the-go can be an effective way of managing weight.
One study found that consistent tracking of physical activity helped with weight loss. Meanwhile, a review study found a positive correlation between weight loss and the frequency of monitoring food intake and exercise.
2. Eat mindfully
Mindful eating is a practice where people pay attention to how and where they eat food. This practice can enable people to enjoy the food they eat and maintain a healthy weight.
As most people lead busy lives, they often tend to eat quickly on the run, in the car, working at their desks, and watching TV. As a result, many people are barely aware of the food they are eating.
Techniques for mindful eating include:
- Sitting down to eat, preferably at a table: Pay attention to the food and enjoy the experience.
- Avoiding distractions while eating: Do not turn on the TV, or a laptop or phone.
- Eating slowly: Take time to chew and savor the food. This technique helps with weight loss, as it gives a person’s brain enough time to recognize the signals that they are full, which can help to prevent over-eating.
- Making considered food choices: Choose foods that are full of nourishing nutrients and those that will satisfy for hours rather than minutes.
3. Eat protein for breakfast
Protein can regulate appetite hormones to help people feel full. This is mostly due to a decrease in the hunger hormone ghrelin and a rise in the satiety hormones.
Research on young adults has also demonstrated that the hormonal effects of eating a high-protein breakfast can last for several hours.
Good choices for a high-protein breakfast include eggs, oats, nut and seed butters, quinoa porridge, sardines, and chia seed pudding.
4. Cutting back on sugar and refined carbs
The Western diet is increasingly high in added sugars, and this has definite links to obesity, even when the sugar occurs in beverages rather than food.
Refined carbohydrates are heavily processed foods that no longer contain fiber and other nutrients. These include white rice, bread, and pasta.
These foods are quick to digest, and they convert to glucose rapidly.
Excess glucose enters the blood and provokes the hormone insulin, which promotes fat storage in the adipose tissue. This contributes to weight gain.
Where possible, people should swap processed and sugary foods for more healthful options.
Good food swaps include:
- whole-grain rice, bread, and pasta instead of the white versions;
- fruit, nuts, and seeds instead of high-sugar snacks;
- herb teas and fruit-infused water instead of high-sugar sodas;
- smoothies with water or milk instead of fruit juice.
6. Eating plenty of fiber
Dietary fiber describes plant-based carbohydrates that it is not possible to digest in the small intestine, unlike sugar and starch. Including plenty of fiber in the diet can increase the feeling of fullness, potentially leading to weight loss.
Fiber-rich foods include:
- whole-grain breakfast cereals, whole-wheat pasta, whole-grain bread, oats, barley, and rye;
- fruit and vegetables;
- peas, beans, and pulses;
- nuts and seeds.
7. Getting a good night’s sleep
Numerous studies have shown that getting less than 5–6 hours of sleep per night is associated with increased incidence of obesity. There are several reasons behind this.
Research suggests that insufficient or poor-quality sleep slows down the process in which the body converts calories to energy, called metabolism. When metabolism is less effective, the body may store unused energy as fat. In addition, poor sleep can increase the production of insulin and cortisol, which also prompt fat storage.
How long someone sleeps also affects the regulation of the appetite-controlling hormones leptin and ghrelin. Leptin sends signals of fullness to the brain.
8. Manage your stress level
Stress triggers the release of hormones such as adrenaline and cortisol, which initially decrease the appetite as part of the body’s fight or flight response.
However, when people are under constant stress, cortisol can remain in the bloodstream for longer, which will increase their appetite and potentially lead to them eating more.
Cortisol signals the need to replenish the body’s nutritional stores from the preferred source of fuel, which is carbohydrate.
Insulin then transports the sugar from carbohydrates from the blood to the muscles and brain. If the individual does not use this sugar in fight or flight, the body will store it as fat.
Researchers found that implementing an 8-week stress-management intervention program resulted in significant reduction in the body mass index (BMI) of overweight and obese children and adolescents.
Some methods of managing stress include:
- yoga, meditation, or tai chi;
- breathing and relaxation techniques;
- spending some time outdoors, for example walking or gardening.
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