I am suffering lower abdominal pain since 75 days

A healthy way to loose weight by diet and exercise is to maintain the weight loss to 2-8 pounds in a month so as you do not develop weakness. If you are loosing more than that please modify your regimen and if it you are still loosing it consult a doctor 

Anterior horn disease is a condition that affects the anterior horn cells, which are responsible for voluntary muscle activities, such as breathing, walking, swallowing & speaking. Anterior horn disease is characterized by the death of more neurons, which result in a prolonged & progressive ....

A healthy oxygen saturation level ranges between 95% and 100% . If a person's levels drop below this range, they may experience symptoms associated with a lack of oxygen, such as trouble breathing and confusion.