This week's health news:
https://www.medicalnewstoday.com/articles/324772.php
https://www.mindbodygreen.com/articles/house-dust-may-cause-weight-gain
https://www.pbs.org/newshour/science/the-human-brain-never-stops-growing-neurons-a-new-study-claims
https://www.studyfinds.org/smartphones-technoference-making-lives-sluggish/