“During the wintertime, people notice that they’re lethargic,” said Dr. Ravi Shah, an assistant professor of psychiatry at Columbia University Medical Center.

In the early 1990s, Mann and Arango discovered that depressed patients who killed themselves have subtle alterations in serotonin in certain regions of the brain.

“It’s been introduced that in certain high-risk pregnancies, women need to take low-dose aspirin,” said Dr. Mary Rosser, director of Integrated Women’s Health at CUIMC.

Unfortunately, people with chronic pancreatitis usually experience pain daily, says John Poneros, M.D., a gastroenterologist at the Columbia Pancreas Center.