HEALTH NEWS   Naturally occurring substance in pomegranates can improve treatment of Alzheimer’s disease Can diet help with advanced breast cancer? All indications are positive, researchers say Urban gardening may improve human health—research subjects benefit from microbial exposure Ultra-processed foods increase cardiometabolic risk in children, study finds Probiotics may keep you from dwelling on the past  7 Health Benefits of Watermelon: The Summertime Superfood