Are there any reported complaints or concerns about Dr. David Leng, MD, a former surgeon now practicing as a Primary Care Physician (PCP) for 14 years, employed by Kaiser Permanente (KP)? I am concerned about his background and recent prescription changes that have negatively affected my health.

July 23rd, 2024

Does donating blood lead to inaccurate blood test results? I am a regular blood donor using the Red Cross’ power red donation procedure. My most recent donation was on June 29. Two days after the donation, on July 1, I had CMP, Lipid panel, and CBC with differential tests. Will any of the results from this test be impacted by the donation? I am particularly interested in cholesterol results.

February 27th, 2024

Is it normal for stool to turn dark green after drinking red wine, and what causes this color change?

December 10th, 2023

My knees hurt really bad and are red, swollen, and bruised. I applied diclofenac gel, but the pain persists. I suspect it might be due to wearing tight knee-high socks for an extended period during a Fourth of July event. What should I do, and how long will it take for the pain to go away?

November 14th, 2023

I have brown spots on a small section of my scrotum that appeared a year ago and have remained the same. I am 50 years old, not using any medications, and have occasional high blood pressure. What are these spots and do they require any treatment?

March 22nd, 2023