Health Nutrition Hints

Underweight – Definition, Causes, Symptoms, and More

Image default
Diet Health Health Nutrition Hints Nutrition


Underweight Complication is a term that indicates an adult’s thinness and weight loss below the normal and healthy weight range.

In general, an adult is underweight if they have a BMI of less than 18.5 kg/m2, and it remains estimated that 8-9% of people are malnourished and unhealthy thin.

Body Mass Index, BMI is a good amount of whether a person is underweight or excessively thin, with body fat estimated roughly depending on a person’s weight and height.
As obesity and weight gain are health risks, being underweight also makes a person more likely to develop specific health problems, such as immunodeficiency, osteoporosis, and hair loss.

Some believe that rapid weight loss is effective and healthy to eliminate accumulated body fat. However, science has proven otherwise; according to a new study, a diet based on rapidly reducing weight can lead to undernutrition, muscle loss, and decreased metabolic speed, according to dietitian Harley lambert.
lambert says gradual fat loss “helps develop a balanced and healthy lifestyle.”

“healthy, the weight you can lose a week is between half a kilogram and only one kilogram. if you’re following a diet, you probably won’t notice any weight loss as a whole, but you’ll only notice a decrease in fat because the sport does body muscle growth.”

Causes Of Underweight

there are many explanations why individuals may be underweight, including:

Genetic causes

A person’s family history can cause weight loss. Some people are genetically healthy due to their high genetic metabolism, meaning they can be underweight despite eating due to increased metabolism.

Satisfactory causes

many diseases can cause persistent skinniness, such as gastrointestinal diseases, including Crohn’s disease and colitis, which may cause nausea, vomiting, or diarrhea, leading to weight loss. Some conditions may also lead to decreased appetite or sudden weight loss, such as diabetes and hyperthyroidism.
A sudden or severe decrease in a person’s weight can also indicate a severe disease, such as cancer.

Psychological reasons

there are some mental illnesses and mental illnesses that may cause weight loss in a person, such as:
1. depression and anxiety.
2. Obsessive-Compulsive Disorder, OCD.
3. Eating disorders, such as anorexia and bulimia.

Increased physical activity

increased physical stress and high levels of physical activity burn large amounts of calories, thereby increasing fat burning and lower body weight. athletes are among the most highly active groups, such as athletics, to maintain a low percentage of body fat and increase muscle.


some things can indicate that a person weighs less than a healthy weight, and a healthy weight is a weight at which the body can perform vital functions properly. signs of underweight include:

Too much disease

When your body stands exposed to unhealthy weight loss, the body’s immune system is likely to be affected.
A person is more likely to develop flu, seasonal leaching, or any other infectious disease.

Also, when underweight complication, it often takes longer to recover when sick due to their weak immunity.

Frequent feeling of fatigue or cold

inactivity is a sign of being underweight. When a person is skinny, he often does not eat much, so the body does not get enough nutrients and essential vitamins, which causes many symptoms, such as lack of energy and inability to concentrate.
Weight loss can also lead to vitamin B deficiency, which causes anemia, iron deficiency, coldness, and regulating body temperature.

Hair loss

although hair loss is average, an adult loses nearly 100 hairs a day. However, increased hair loss is often one of the first signs of weight loss. It may indicate that a person does not maintain a healthy weight, such as severe dieting and not eating enough protein and foods that contain vitamins essential for hair and growth.

Hormonal problems

underweight in women is likely to cause some hormonal issues. When the body does not contain enough fat, the body may then have difficulty producing hormones, including sex hormones, such as estrogen.
As a result of hormone disorder, a girl’s menstrual cycle may be affected.

She may miss a month or a few months, and this hormonal disorder and the irregular menstrual cycle may affect a woman’s ability to conceive.


treatment for underweight requires treatment of the problem that caused weight loss. If the cause of being underweight is hereditary or due to excessive physical activity.

You can follow up with your dietitian to develop a high-calorie diet for weight gain.

Everyone needs to have enough fat and enough muscle to maintain a healthy body and bones. So when treating underweight and raising your BMI to an average level, it’s essential to eat healthily, pay attention to calorie intake and exercise constantly.

Although exercise can be counterproductive, 30 minutes of exercise helps keep joints and bones healthy and increase appetite. It remains suggested to eat between 500 and 1000 calories more than burned every day, for 0.45-0.9 kg per week.

Eat high-calorie, intense foods to increase your daily calorie intake instead of high-sugar, fat, and unhealthy fast food. For example, eat oatmeal with full-fat milk or peanut butter with bananas.

• Eat high-calorie drinks as a snack before bed or use high-quality ingredients, such as fresh fruits, dry milk powder, greek yogurt, nut butter, and flaxseed to make a calorie-rich drink.

• Snack between main meals and be high in calories, such as nuts, dried fruits, and dairy products containing whole milk to increase daily calories.

Users also Read

Leave a Comment