- - - TABLE 1 A cohort study Vitamin deficiency + - + Depression + + - OLD + 1200 60 800 40 Depression - YOUNG 20 200 80 800 + Depression - ALL + Depression -
- - - TABLE 2 A cohort study Red meat diet + - Heart disease + Heart + - MALES 1400 200 280 Heart disease + - FEMALES Heart disease + 44 20 220 - ALL Heart disease + -
- - - TABLE 3 A cohort study Air pollution + - Respiratory disease + + - SMOKERS 30 67 70 666 Respiratory disease + - NON-SMOKERS 14 1 412 99 Respiratory disease + - ALL Respiratory disease + -
- - - TABLE 4 A cohort study Drug A B + Death + Death + Death SEVERE ASTHMA + 200 4 800 6 Death - MILD ASTHMA + 2 4 98 96 Death - ALL PATIENTS + Death -