Today and every day of the 30-Day Eat Less Sugar Challenge, your goal in addition to watching this video is to eat less added sugar and replace added sugar with healthier whole, unprocessed foods.
Further reading of articles cited in this video:
National Cancer Institute's page on "Artificial Sweeteners and Cancer"
Ford HE, Peters V, Martin NM, Sleeth ML, Ghatei MA, Frost GS, Bloom SR. Effects of oral ingestion of sucralose on gut hormone response and appetite in healthy normal-weight subjects. Eur J Clin Nutr. 2011 Apr;65(4):508-13.