Dear Doctor,  I am from Bangalore, India. My mother, 67 years old, had a lesion on her left lung which was operated. After 6 months we found that she had a 2 cm tumor in the left lobe of her brain. Had radiation, SRT, chemo,temodal etc but it did not shrink. The last was surgery. The […]

I have been to the doctor twice in the past month and both times was put on antibiotics for what they thought was pneaumonia and bronchitis. I now after more than a month have a persistant cough with phlem and everytime I breath in it hurts in my chest and causes me to cough when […]

a person’s oxygen saturation level drops to as low as 74, how long before serious consequences occur? What about mid-80’s?
My mother is 85 and refuses to wear her oxygen outside the home. When she does not use it, her saturation levels drop to 74, as measured the finger oxymeter, within 30 minutes.
What is the real […]

Why does my family doctor not want to prescibe sleep medications to me to help me sleep, when I use the sleep breathing machine? She told me that was dangerous? I don’t understand why? I wake up often because of the apperatus, as it is uncomfortable and noisy. I have tried different masks, but […]

Is it true that just a one-time exposure to asbestos causes mesothelioma? What are the other effects of asbestos? Can asbestos cause lung scarring? Does asbestos cause other types of cancer, apart from lung cancer and mesothelioma?
Dr. Joshua’s Answer:
Exposure to asbestos can result in asbestosis, which is a form of pulmonary fibrosis, in which a […]