Homeless people who are fed at soup kitchens typically don't get to choose their menus. But in Bologna, Italy some protested when a celebrity chef offered them vegan cuisine. Some said they'd rather return to the streets than eat his veggies.

In the United States it has become so popular for anti-science groups to blame hydraulic fracturing - fracking - for earthquakes that it might seem like little actual research is being done without an agenda.

On any ranked list of nasty diseases transmitted by mosquitoes, ticks and fleas in the Western world, Borrelia burgdorferi, would have to lie near the top.

A new designer drug that's related to the opioid fentanyl is killing people. It is called furanyl fentanyl, but the name hardly matters. It is just one more fentanyl copycat, which happens to be legal only because it has not yet been made illegal. What we have is a "pharmaceutical wild west," where an unlimited number of versions of known, powerful drugs are made — and tested on the street.

Previous data linked the use of statins, or cholesterol-lowering medications, to a reduced overall risk of colorectal cancer. Researchers from the University of Pennsylvania, however, revealed that data had been subject to selection bias and statins do not lower colon cancer risk.

What drink (or drinks) will promote proper hydration without leading to too many pit stops? A recent study suggests that milk and oral hydration beverage are probably not the best choices. Which were the best? We suggest you ...

There has been a rising tide of demands from governmental and other regulatory bodies targeting distinct problems within the chiropractic profession. And as guest writer Michael Vagg explains, one major concern involves the movement to stop chiropractors from making unsupported statements to the general public.

A suit regarding allegations that Wyeth, now a wholly owned subsidiary of Pfizer, Inc.,   knowingly underpaid rebates owed under the Medicaid Prescription Drug Rebate Program for the sales of Protonix Oral and Protonix IV between 2001 and 2006, has been settled. Pfizer acquired Wyeth, Inc., in 2009, after the conduct alleged in the lawsuits.

Only in environmental activism does a null result, finding the public being completely safe, lead to sadness. But there you have it.

Humans have a long history of viral infections. But other than the molecular analysis of current or recently circulating pathogens, the data is fragmentary. But as guest writer Peter Doherty explains, that may change as researchers probe more ancient DNA from Egyptian mummies, where there is evidence of lethal tuberculosis and malaria.