Dr.Mark Hamer of University College London says previous research found that smokers have a higher rate of mental illness, specifically depression.

VOA: standard.2010.06.15

The first signs of illness had appeared the previous day.

NPR: Cockburn's 'Broken Boy,' a Memoir of Survival

As her illness had progressed through the previous year, he had left the decision-making largely to Sara, her family, and the oncology team.

NEWYORKER: Letting Go

The previous superintendent quit amid criticism of her long absences, which she attributed to illness.

WSJ: State Control Weighed for Camden's Schools