I don't like stories with qualifiers like "could" but this fits the pattern so far:
"Taking vitamin pills in high doses could be bad for your health, say scientists.
A study found that voles who were given a lot of vitamins C and E had a reduced lifespan of up to a quarter.
Researchers said the findings, published in Biology Letters, raise questions about the benefits of popping the supplements."
I remember when raising questions was considered a good thing:
You know, before the hippies got in charge,...