"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The adage ‘what’s old is new again’ most certainly rings true when it comes to skincare and social media.

>Q. I have a lengthy history of urinary-tract infections (UTIs) that occur approximately every five months. I have seen a few urologists and had multiple tests, which have come out normal. Both my ...

Dear Dr. Roach: In a recent column, you addressed the costs of vaginal Premarin but did not mention the risks associated with stroke and dementia. Do you consider these risks to be of importance? I am ...