(FREEBEACON) — The federal government is still seeking answers as to why the majority of lesbians are obese and U.S. taxpayers are footing the bill, which now totals $2.87 million.

The National Institutes of Health (NIH) study is now in its fourth year, receiving an additional $670,567 for fiscal year 2014. The project seeks to determine why “nearly three-quarters of adult lesbians overweight or obese,” and why gay males are not.

In just two years the project’s budget has nearly doubled, growing from $1.5 million to nearly $3 million today, despite fears that sequestration could jeopardize the project and other NIH funding.

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