Researchers at Northwestern University discovered over six hundred viruses, primarily harmless bacteriophages, colonizing shower heads and toothbrushes. These phages have potential in combating antibiotic-resistant bacteria, emphasizing that most microbes do not pose a threat to human health while suggesting practical bathroom hygiene tips. Researchers at Northwestern University discovered over six hundred viruses, primarily harmless bacteriophages, colonizing shower heads and toothbrushes. These phages have potential in combating antibiotic-resistant bacteria, emphasizing that most microbes do not pose a threat to human health while suggesting practical bathroom hygiene tips. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle