AMY WINEHOUSE’s mother JANIS is to take a break from caring for her daughter as worries over the star’s recent drug problems have been affecting her health. Janis, 53, was recently diagnosed with debilitating disease multiple sclerosis and admits that the stress of looking after the troubled singer has been making the condition worse. Winehouse checked into a rehab clinic in London earlier this year after a video showing her allegedly taking a variety of illegal substances was passed on ...