As your BMI is less than or equal to 18.5, you are considered underweight. People who are typically underweight do not get enough calories to fuel their bodies. They often suffer from malnutrition as well. Malnutrition means that you don't take enough of your food vitamins and minerals. You may be at risk if you are underweight.

Talk to your doctor before you start a weight gain program. Being underweight can be caused by an underlying health issue. It is not going to be corrected by modifications in diet. Your doctor can assist you to keep track of your advancement.

Eating junk food can lead to an increase in weight. It won't fulfil your body's nutrition requirements, though. Even if the additional weight of fat, sugar, and salt in junk food does not result, it can still damage your body. The following tips can assist to achieve a good weight gain:

• Add healthy calories
• You don't have to modify your diet drastically. By adding toppings of nut or seed, cheese, and good side dishes, you can boost calories. Try wheat toast with almonds, sunflower seeds, fruit, or whole grain.

• Eat nutrient-rich meals
• Rather than eating empty calories and junk food, eat nutrient-rich foods. Consider high-protein meats that can assist muscle building. Select nutritious carbohydrates like brown rice and other whole grains as well.

• Snack on good fat
• Enjoy snacks full of protein and good carbohydrates. Consider alternatives such as trail mix, protein bars or beverages, and hummus or peanut butter crackers. Enjoy snacks containing "good fats" that are essential to a healthy core. Examples include avocados and nuts.

• Due to medical or emotional problems, eating big quantities of food may not seem appealing if you are struggling with a poor appetite. To boost your calorie consumption, consider eating smaller meals throughout the day.

• Build muscle
• While excessive aerobic exercise burns calories and works against your objective of weight, strength training can assist. This involves yoga or weightlifting. By constructing muscle, you gain weight.

• Add healthy calories
• You don't have to modify your diet drastically. By adding toppings of nut or seed, cheese, and good side dishes, you can boost calories. Try wheat toast with almonds, sunflower seeds, fruit, or whole grain.

As your BMI is greater than or equal to 18.5 and less than 24.9, you are considered healthy and have a normal BMI. As your BMI is well within the healthy range, it is essential that you maintain it. A healthy BMI can be maintained by eating healthy and exercising in proportion.

A BMI greater than or equal to 25, is considered overweight. Losing as little as 5 to 10% of your body weight can have significant health benefits. Making the right and conscious choices will ensure betterment in health and avoid any health complications or ailments in the future.

• Eat Right
• Healthy eating is key to maintaining a healthy lifestyle. It's not just what you're eating and how much you're eating, but how you're eating. In the long run, it will also profit from controlling portion size. Make sure that the food you consume is high in protein and fibre and less in fat and sugar. Fruit, vegetables, lean meats, poultry, fish, beans, eggs and nuts could be included in a good meal plan.

• Exercise and drink a lot of fluids
• Stay hydrated and exercise for about 30 - 45 minutes a day and 5 times a week to ensure a healthy BMI. Regular exercising will burn excess calories. Make sure you walk, climb stairs instead of taking a lift whenever possible. Adding activities like cycling or swimming will also benefit by burning fat and aiding weight loss.

• Natural supplements
• You could also incorporate plant-based supplements to boost the body’s metabolism and aid weight loss. Natural supplements and balanced diets are known to bring about significant change in those who religiously follow it.

• Cosmetic surgery
• If you have fat concentrated in certain areas of the body and you are not able to control it through exercise, you can also opt for cosmetic weight loss options like a tummy tuck or liposuction. Both these cosmetic procedures will aid in shaping the body through the process of fat removal. This is recommended only when you are not able to tone or shape your body with exercise. Do consider the professional help in terms of specific exercises as per your body type before concluding for the surgical options.
• You can reduce your weight with the above guidelines and by implementing them with absolute discipline. However, few of you may require a guided program which might include few or all of the above in some proportion. You should first attempt the above-mentioned recommendations for a month or so on of your own. If you are not able to notice any results or changes, professional support is required.

A BMI greater than or equal to 30 and less than 35, is considered obese.

Being obese takes a toll on your physical and emotional health along with a very uncomfortable feeling on your own looks and appearance. There may be several things that keep you from losing weight; however, starting the process of weight loss is the first step towards improving your health. Being obese, it is necessary to make lifestyle changes to avoid future serious health complications and chronic ailments.

You might have already attempted to reduce weight but did not succeed. If that is the case, then there is a high probability that you need professional help. However, you need the following to institutionalise in your lifestyle.

• Controlled eating
• It is necessary to make a conscious effort to control the intake of food when one is trying to lose weight. A diet rich in nutrients, fibre and proteins should be replaced with saturated fats and sugar. A dietician or a medical professional is a must to provide you with the best diet plan to ensure you are not abstaining your body from the necessary nutrients.

• Increase in exercise and physical activity
• Increasing physical activity through walking, running, cardio exercises, swimming, etc will increase the metabolism of the body which results in weight loss. However, one should increase physical activities only under the guidance and recommendation of a physician or doctor. It is crucial that the activities are intensified gradually to avoid stress on the muscles of the body. A doctor or physician will suggest a proper exercise regime to accelerate weight loss without causing adverse consequences to the body.

• Natural supplements
• If you wish to lose weight naturally before considering weight loss surgery, you can try consuming some plant-based natural supplements and remedies that are known to benefit the body and aid weight loss by increasing metabolism. However, you need to be committed and disciplined to ensure to reach the desired weight loss target and rid yourself of any health issues.

• Cosmetic surgery
• At times, the cause for your higher BMI is because of fat that is concentrated in the thigh region, the hips, abdominal region or any other region of the body. Such individuals can consider undergoing either liposuction or tummy tuck for gaining the perfect body shape. Cosmetic weight loss procedures help to sculpt and reshape the body.

• Metabolic Surgery
• Individuals with BMI between 32 and 35, who have serious health complications that are causing a hindrance to lose weight, should consider metabolic weight loss procedure. Through weight loss surgery, you will be able to lose a considerable amount of excess weight within five to six months, however, permanent lifestyle changes are a must to sustain the weight loss.

With a BMI greater than or equal to 35, you are considered morbidly obese. As you are highly obese, you are in a very high-risk zone of having lifestyle-related chronic diseases like heart problems, hypertension, diabetes etc. Your joints like knee, hip and ankles are also under extreme pressure. Being a morbidly obese person, it is critical for you to take the necessary actions to lose weight.

The most recommended option for you is the bariatric or "metabolic" surgery.

• Metabolic surgery
• Weight loss surgery is a necessity for people who have chronic health issues and with a BMI higher than 35 and who have trouble losing weight naturally. Through weight loss surgery you will be able to lose excess weight in a span of five to six months, along with permanent lifestyles alterations to maintain the weight loss.
• However, if you are very scared of surgery, you can attempt to reduce the weight with the combination of exercise, diet and supplements under the guidance of doctors. This would require exceptional dedication and discipline. This approach is definitely difficult for you but not impossible.

• Increase in exercise and physical activity
• Increasing physical activity through walking, running, cardio exercises, swimming, etc will increase the metabolism of the body which results in weight loss. However, one should increase physical activities only under the guidance and recommendation of a physician or doctor. It is crucial that the activities are intensified gradually to avoid stress on the muscles of the body. A doctor or physician will suggest a proper exercise regime to accelerate weight loss without causing adverse consequences to the body.

• Natural supplements
• If you wish to lose weight naturally before considering weight loss surgery, you can try consuming some plant-based natural supplements and remedies that are known to benefit the body and aid weight loss by increasing metabolism. However, you need to be committed and disciplined to ensure to reach the desired weight loss target and rid yourself of any health issues.

• Cosmetic surgery
• At times, the cause for your higher BMI is because of fat that is concentrated in the thigh region, the hips, abdominal region or any other region of the body. Such individuals can consider undergoing either liposuction or tummy tuck for gaining the perfect body shape. Cosmetic weight loss procedures help to sculpt and reshape the body.