Just because something fits in your mouth and can be swallowed, does not make it “food”. Food is something nature grows, that supports health and life. Aspartame is a “food additive”, made by scientists in laboratories. “Food additives” do not support health and life and aspartame is not a food.
There are alternatives to artificial sweeteners. Do an internet search for “stevia”. You can grow a stevia plant in your garden or house and use leaves in your tea or smoothies. Stevia is also sold in powdered form and in flavored drops. There are many healthy sweeteners. Sugar or honey are superior to artificial sweeteners. Fructose — especially “high fructose corn syrup” apparently also has problems. Research.
Sweet Misery: A Poisoned World is an excellent movie. Also, here is some information from Dr. Mercola on the very real dangers of aspartame. When your health is involved, do not be shy to ask questions… your health, happiness, and maybe even your life, depend on your discernment. If a profit motive is part of the equation, ask even more questions. Always find the healthiest alternative to anything that threatens your health.