People who eat more processed red meat have a greater risk of developing cognitive decline and dementia than those who eat very little red meat, a new study has found.

Eating greater amounts of red meat -- especially processed bacon, sausage and bologna -- increases the likelihood of cognitive decline and dementia, a new study suggests.

Rounds reports on the FDA banning red dye no. 3 and curbing nicotine levels; a study showing meat associated with dementia risk, and how to address the physician shortage.