title: Ask the doctor.  Why am I shrinking as I'm getting older, and is there anything I can do about it?
authors: Anthony L
authors: AL
authors: Komaroff
mesh_terms: D000375:Aging / Q000502:physiology*; D001827:Body Height / Q000502:physiology*; D015519:Bone Density; D015444:Exercise / Q000502:physiology; D005260:Female; D006801:Humans; D008297:Male; D010024:Osteoporosis / Q000503:physiopathology* / Q000517:prevention & control*; D014807:Vitamin D / Q000627:therapeutic use; D014815:Vitamins / Q000627:therapeutic use
chemical_list: D014815:Vitamins; D014807:Vitamin D