HEALTH NEWS   ·         Microplastics found in the brains of mice within hours of consumption ·         New study explains why you shouldn't scratch an itchy rash ·         Study shows potential of resveratrol to aid fertility  ·         Cannabinoids offer new hope for safe and effective pain relief ·         Freshwater alga could be the next superfood that feeds the world ·         The key to healthy aging? Exercise might be the answer