How Long Does It Take to Lose Weight?

How Long Does It Take to Lose Weight?

Weight loss can be achieved through a combination of healthy eating, regular physical activity, and lifestyle changes. Here are some tips for successful weight loss:

1. Set Realistic Goals: Set achievable goals for yourself, both short-term and long-term. This could be a certain amount of weight loss per week or month.

2. Healthy Eating: Focus on consuming whole, nutrient-dense foods such as fruits, vegetables, lean proteins, whole grains, and healthy fats. Avoid or limit processed foods, sugary snacks, and high-calorie beverages.

3. Portion Control: Be mindful of portion sizes. Use smaller plates, measure your food, and avoid eating straight from the package to prevent overeating.

4. Stay Hydrated: Drink plenty of water throughout the day. Sometimes feelings of hunger can be a sign of dehydration.

5. **Regular Exercise**: Incorporate both cardiovascular exercise (like walking, running, cycling) and strength training into your routine. Aim for at least 150 minutes of moderate-intensity aerobic activity or 75 minutes of vigorous-intensity activity per week, along with muscle-strengthening activities on two or more days per week.

6. Stay Consistent: Consistency is key. Stick to your healthy eating plan and exercise routine even when you don’t see immediate results.

7. Get Plenty of Sleep: Aim for 7-9 hours of quality sleep per night. Poor sleep can disrupt hormone levels related to hunger and appetite, leading to overeating.

8. Manage Stress: Find healthy ways to cope with stress, such as meditation, deep breathing exercises, yoga, or hobbies you enjoy. Stress eating can sabotage weight loss efforts.

9. Seek Support: Surround yourself with supportive friends, family, or join a weight loss group. Having accountability and encouragement can make a big difference.

10. Track Progress: Keep track of your food intake, exercise, and progress towards your goals. This can help you stay motivated and make adjustments as needed.

Remember, sustainable weight loss takes time and effort, and it’s important to focus on overall health and well-being rather than just the number on the scale. If you have any underlying health conditions or concerns, it’s a good idea to consult with a healthcare professional before starting any weight loss program.

HOW WEIGHT LOSS OCCURS 

Weight loss occurs when you consistently consume fewer calories than you burn each day. Conversely, weight gain happens when you consistently eat more calories than you burn.

Any food or beverage you consume that has calories counts toward your overall calorie intake. That said, the number of calories you burn each day, which is known as energy or calorie expenditure, is a bit more complicated.

Calorie expenditure is composed of the following three major components (1Trusted Source):

  • Resting metabolic rate (RMR). This is the number of calories your body needs to maintain normal bodily functions, such as breathing and pumping blood.
  • Thermic effect of food (TEF). This refers to the calories used to digest, absorb, and metabolize food.
  • Thermic effect of activity (TEA). These are the calories you use during exercise. TEA can also include non-exercise activity thermogenesis (NEAT), which accounts for the calories used for activities like yard work and fidgeting.

If the number of calories you consume equals the number of calories you burn, you maintain your body weight.  If you want to lose weight, you must create a negative calorie balance by consuming fewer calories than you burn or burning more calories through increased activity.

SUMMARY:Weight loss occurs when you consistently consume fewer calories than you burn each day.

Factors affecting weight loss

Several factors affect the rate at which you lose weight. Many of them are out of your control.

Gender

Your fat-to-muscle ratio greatly affects your ability to lose weight.

Because women typically have a greater fat-to-muscle ratio than men, they have a 5–10% lower RMR than men of the same height (2Trusted Source).

This means that women generally burn 5–10% fewer calories than men at rest. Thus, men tend to lose weight quicker than women following a diet equal in calories.  For example, an 8-week study including over 2,000 participants on an 800-calorie diet found that men lost 16% more weight than women, with relative weight loss of 11.8% in men and 10.3% in women (3Trusted Source).  Yet, while men tended to lose weight quicker than women, the study didn’t analyze gender-based differences in the ability to maintain weight loss.

Age

One of the many bodily changes that occur with aging is alterations in body composition — fat mass increases and muscle mass decreases. This change, along with other factors like the declining calorie needs of your major organs, contributes to a lower RMR (4Trusted Source5Trusted Source).

In fact, adults over age 70 can have RMRs that are 20–25% lower than those of younger adults (2Trusted Source6Trusted Source). This decrease in RMR can make weight loss increasingly difficult with age.

Starting point

Your initial body mass and composition may also affect how quickly you can expect to lose weight.  It’s important to understand that different absolute weight losses (in pounds) can correspond to the same relative (%) weight loss in different individuals. Ultimately, weight loss is a complex process.

The National Institutes of Health (NIH) Body Weight Planner is a useful guide to how much you can lose based on your initial weight, age, sex, and how many calories you take in and expend (7Trusted Source).  Although a heavier person may lose double the amount of weight, a person with less weight may lose an equal percentage of their body weight (10/250 = 4% versus 5/125 = 4%).

For example, a person weighing 300 pounds (136 kg) may lose 10 pounds (4.5 kg) after reducing their daily intake by 1,000 calories and increasing physical activity for 2 weeks.

Calorie deficit

You must create a negative calorie balance to lose weight. The extent of this calorie deficit affects how quickly you lose weight.

For example, consuming 500 fewer calories per day for 8 weeks will likely result in greater weight loss than eating 200 fewer calories per day. However, be sure not to make your calorie deficit too large.  Doing so would not only be unsustainable but also put you at risk for nutrient deficiencies. What’s more, it might make you more likely to lose weight in the form of muscle mass rather than fat mass.

Sleep

Sleep tends to be an overlooked yet crucial component of weight loss. Chronic sleep loss can significantly hinder weight loss and the speed at which you shed pounds.  Just one night of sleep deprivation has been shown to increase your desire for high-calorie, nutrient-poor foods, such as cookies, cakes, sugary beverages, and chips (8Trusted Source9Trusted Source).

One 2-week study randomized participants on a calorie-restricted diet to sleep either 5.5 or 8.5 hours each night.  Those who slept 5.5 hours lost 55% less body fat and 60% more lean body mass than those who slept 8.5 hours per night (10Trusted Source).  Consequently, chronic sleep deprivation is strongly linked to type 2 diabetes, obesity, heart disease, and certain cancers (11Trusted Source12Trusted Source13Trusted Source).

Other factors

Several other factors can affect your weight loss rate, including:

  • Medications. Many medications, such as antidepressants and other antipsychotics, can promote weight gain or hinder weight loss (14Trusted Source).
  • Medical conditions. Illnesses, including depression and hypothyroidism, a condition in which your thyroid gland produces too few metabolism-regulating hormones, can slow weight loss and encourage weight gain (7Trusted Source15Trusted Source).
  • Family history and genes. There is a well-established genetic component associated with people who have overweight or obesity, and it may affect weight loss (16Trusted Source17Trusted Source).
  • Yo-yo dieting. This pattern of losing and regaining weight can make weight loss increasingly difficult with each attempt, due to a decrease in RMR (18Trusted Source).

SUMMARY:Age, gender, and sleep are just a few of the many factors that affect weight loss. Others include some medical conditions, your genetics, and the use of certain medications.

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