"Currently, inflammation is considered a major factor in the development of depression, dementia, and other brain disorders," says Dr Drew Ramsey.
We know there's a gut-brain connection, but just how deep does it go? Could we treat depression just by adopting a particular diet?
1 in 10 people in Acciaroli, Italy are over 100 years old. Their secret to longevity? Their biology, diet, and the high-levels of friskiness among the elderly.