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Dear Dr. Roach: Some months ago, you wrote that the blood flow to the penis could be reduced by blockages in the arteries. What kind of doctor should a guy go to, and what tests should be asked for? J.

Dear Dr. Roach: I am a paraplegic due to complications from the West Nile virus. I am getting conflicting information from my health care providers concerning flu shots.

Dear Dr. Roach: I鈥檓 73 and had silicone implants put in when I was 29. Other than the fact they have gotten firm, I鈥檝e never had a problem with them.

Dear Dr. Roach: I have had fatty liver for the past 10 years. To reverse it, I am trying to lose weight. Now I am 116 kilograms. I have heard that if someone has fatty liver and wants to lose weight, they should not lose more than 1.5 kg per week.

Dear Dr. Roach: You recently had a column about a person who measured his blood pressure several times a day. You also recommend home blood pressure cuffs. I have a question about the accuracy of blood pressure cuffs.

Dear Dr. Roach: Is it advisable to get the Shingrix vaccine at the same time as the annual influenza vaccine? T.H. It can be done, but whenever possible, you should get the new Shingrix vaccine by itself.

Dear Dr. Roach: We are often instructed to wash our hands with soap. What kind of soap? Does it need to be antibacterial? What about soaps that are sodium lauryl sulfate-free? L.B. I do not recommend antibacterial soaps.

Dear Dr. Roach: I have some questions about my lab results. My doctor鈥檚 office called to say all results were good and everything is fine.

Dear Dr. Roach: I am a 72-year-old woman on medication for high blood pressure and cholesterol. For 15 years, I took atenolol, 25 mg twice daily.

Dear Dr.