Mental disorder im pretty sure
Because when smokers smoke it destroys the cilia so it dosent keep the lungs clear and they cough to try to take mucus from there lungs
Raw eggs can carry salmonella which is a infection that comes with a nasty symptoms like diarrhea, and abdominal pain. When the eggs become cooked, any sign of salmonella will be gone. It is unlikely for salmonella to occur on a cooked egg.
I believe the healthy diet and physical exercise is the factor that made her lose weight.