Timeline doesn't work out, really. People ate a lot of sugar before the 80s and 90s where the obesity epidemic took off. Timeline points more to plastic and/or

Timeline doesn't work out, really. People ate a lot of sugar before the 80s and 90s where the obesity epidemic took off. Timeline points more to plastic and/or lithium, as suggested by Slime Mold Time Mold. Sugar is pretty bad for you, though.