If you had hiatal hernia
, the only way to cure it is by surgery. The surgery that is currently best recommended should be nissen's fundoplication. Hiatal hernia is where the stomach is protruding into the lung cavity and causing the symptoms.
About the hair fall
, are you male or female. Having hair loss if you are male is normal and expected. You can only delay this by being careful while washing your hair and being gentle with it. You can also consider using hair oils having minoxidil
which can help. Please consult a physician before starting any medications. I hope this helps. All the best.