Will it Really causse any harm to stay underweight?

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The ideal body mass index (BMI) is defined as between 20 and 25. Thus, anyone below that range would be considered underweight and those with a BMI from 18.5 to 17.5 extremely underweight.

While being underweight often appears preferable to being overweight, the reality is that just as with obesity, being overly thin has risks and repercussions.

Being extremely underweight predisposes individuals to infections due to weak and easily compromised immune system ; They also tend to have low muscle mass, hair loss, and in some cases disrupted hormone regulation. Being underweight can also derail intake and absorption of vital nutrients, including amino acids, vitamins, and minerals, leading to increased risk of osteoporosis and anemia. In addition, underweight women are prone to amenorrhea and possible pregnancy complications.

You should follow your doctors advice and try to improve your body weight. Successful weight gain can be achieved by combination of a well structured diet and regular physical activity.