When I read that our sewers were the main beneficiary of vitamin supplements (to put it as delicately as possible 
I decided to only take a one a day (but I’m pretty bad about taking even that). It seems like I made the right choice:
Taking high doses of vitamin E supplements can increase the risk of lung cancer, research suggests.
The US study of 77,000 people found taking 400 milligrams per day long-term increased cancer risk by 28% – with smokers at particular risk.
It follows warnings about similar risks of excessive beta-carotene use.
[...]
The researchers followed people aged between 50 and 76 for four years and looked at their average daily use of vitamin C and folic acid, and vitamin E supplements.
Over the course of the study, 521 people developed lung cancer.
Smoking, family history and age all had unsurprisingly strong links to cancer risk.
And while neither vitamin C or folic acid use had any effect on lung cancer risk, vitamin E use did.
posted March 1, 2008 at 3:59 pm
So, there is such a thing as too much of a good thing.
I seem to recall hearing that large doses of E were also bad for cardiac health.
posted March 1, 2008 at 6:28 pm
I’ve heard a doctor friend retort that vitamin C enriches your pee.
(Can I say pee on a reformed forum? )
posted March 1, 2008 at 8:18 pm
Just what is the difference between regular and enriched pee?
posted March 1, 2008 at 9:38 pm
You guys don’t seem to have gotten the sewer reference, huh?
posted March 1, 2008 at 11:14 pm
I did … your euphemism sounded almost biblical.
posted March 2, 2008 at 9:26 am
Sure I did. i thought it was a great turn of phrase.
I was reinforcing it with another. 8-{)>