Home Remedies for Underweight The busy life schedule is the result of the various health related complications. One such problem is Underweight. People, who are underweight are often conscious about their appearance and want to gain weight substantially to look good. Basic Causes of Underweight Some of the basic causes are given below: Poverty Anorexia Nervosa Bulimia Nervosa Heredity Hyperthyroidism Anxiety Depression Common Symptoms Low body weight Tiredness Dizziness Frequent illness due to poor immune system. Apart from these, women,