Lemon a day keeps the kidney stones away?

Hello, dear readers! Welcome back to our monthly letters column. The calendar has finally caught up with the weather, and summer is in full swing. That means it’s time to urge you to protect yourselves from the sun, as well as from ticks and mosquitoes. And now, on to your letters.

– A recent column about kidney stones, the pebblelike objects that can form in the kidney, prompted a reader from Virg…