FDA says unmoved by aspartame/ cancer report - Yahoo! News:
Italian researchers published a new study last week that showed aspartame -- widely used in soft drinks -- might cause leukemia, lymphoma and breast cancer in rats.
I stopped eating Aspartame-containing foods years ago, not because of possible cancer, but because I just didn't seem to tolerate it well (contrary to what they say in public, there does seem to be a small percentage of users who can react to aspartame in a way similar to an allergic reaction. I don't consider that a huge deal, except I seem to be one of them; I just avoid it and use Splenda instead)
But -- this study has the same kind of problems rat and mice studies tend to have. First, rats and mice can be indicators that further study is warranted, not evidence of a problem IN HUMANS. Unless you're feeding rats, you can't take evidence from studies like this as definitive to any other species.
And, the researches use what is called a "mega mouse" standard:
The CSPI said the Acceptable Daily Intake of aspartame in the United States is 50 mg per kilogram of body weight, equivalent to a 50-pound (20 kg) child drinking 2.5 cans of diet soda a day, or a 150-pound (68 kilogram) adult drinking about 7.5 cans a day.
The Italian researchers found a cancer risk at the very highest doses -- double the U.S. Acceptable Daily Intake.
In other words -- to match their dosage, I'd have to finish off a 12 pack a day every day for the rest of my life. And then, I *might* find a small possible increase in cancer rates if enough people statistically did that. Oh, and they also extended the life of the rats and studied them when they died naturally, which gives them the maximum chance of "something happening". That's not necessarily a bad technique, actually -- but it looks like the actually increase is quite small, especially given the high dosages involved. Even if this does statistically carry across to humans, the increase rate isn't going to push other diseases or accidents off the map any time soon. I'd say, given the emerging evidence about high-yield fructose, you're a lot worse off on that than any dosage of Aspartame. Of course, I've cut almost all of this stuff out of my life -- maybe five cans of Splenda-based soda a week now, and the rest is water or iced teas (unsweetened); a much better option altogether, IMHO.
Especially since, if I'm reading this right, at more moderate doses they DIDN'T see any cancer increase. they had to really crank the dosage to get the rats to show any statistical change. But you'd never know that from the hype and (frankly) bad, lazy reporting.
I am no real fan of Aspartame; I am less a fan of people who take studies like these and go off generating press releases and hype. it's not science, it's scare tactics.
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