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Dear Dr. Roach: Having recently changed doctors (due to a move), I filled out a new-patient intake.

Dear Dr. Roach: My wife is in dire need of knee replacements (arthritis, and bone on bone) but she is allergic to nickel, which is found to some degree in all metals — including titanium — used in replacements.

Dear Dr. Roach: I am trying to decide if it would be beneficial for me to get a second opinion about atrial fibrillation treatment.

I recently predicted our planet was doomed due to nuclear holocaust, viral pandemic or azoospermia (lack of sperm). Biology 101 proves that adding 70 million people a year to our world will result in catastrophic consequences.

Dear Dr.

Dear Dr. Roach: There is a story going around the internet again that deep coughing after experiencing heart attack symptoms appears to keep the heart going while seeking help. Is there anything at all to that theory? It is being read by millions. M.

Dear Dr. Roach: I am an active 68-year-old woman. I still work part time, walk two to three miles a day and enjoy gardening. In late April, I noticed that I was short of breath after exertion, like when walking upstairs or with intensive gardening.

Do you remember the story about the straw that broke the camel’s back? How the camel’s owner kept loading more and more straw on the animal’s back. Eventually one more straw broke the poor creature’s back. Pushing your luck too far is a poor idea.

Dear Dr. Roach: I have a carotid artery problem. My right side is 79 per cent blocked, but the left side is clear. My eye doctor said that surgery would not be necessary because the left side could take over if the right side is blocked.

Dear Dr. Roach: I’m a 69-year-old woman. I still have hot flashes since a partial hysterectomy at age 24. I have them day and night, and they are really getting on my nerves. My doctor is treating me with venlafaxine, which helps some.