At the start of her program, Penny's 25-hydroxy vitamin D blood level showed the usual deficiency at 22 ng/ml. She supplemented with 8000 units of vitamin D. Another 25-hydroxy vitamin D blood l...

Helena posted this instructive comment in response to the Heart Scan Blog post, Weight loss and vitamin D. It illustrates the confusion common among physicians and pharmacists on the differences betwe...

A friend told me this story. Her friend, Linda, had added vitamin D to her daily supplements. Because she'd had a vitamin D blood level of 22 ng/ml, she was taking 6000 units per day. However,...

George walks into my office. I ask him his age. "I'm 21 years old," he declares. Yet I look at George. He's got gray thinning hair, his posture is slumped forward rather than ere...

I answered a page from a hospital nurse recently one evening while having dinner with the family. RN: "This is Lonnie. I'm a nurse at _____ Hospital. I've got one of your patients here...