Here's an interesting document.
Official Information from the state of Delaware
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"The ABC's of Tobacco's Health Hazards"

The following diseases and conditions have been scientifically linked to tobacco use.

(NOTE: Those capitalized are among the more dubious claims.)

A: allergic reaction, Alzheimer's disease, ANAL CANCER, arterial disease, Asthma attacks.
B: BACK PAIN, behavior problems in children, bladder cancer, blood changes, bone marrow changes, brain injury in fetuses, breast cancer, bronchial cancer, bronchitis.
C: cadmium toxicity, cancer, carbon monoxide poisoning, CATARACTS, CERVICAL CANCER, childhood cancers, chronic cough, CIRRHOSIS OF THE LIVER, colon cancer.
D: DEATH and DISABILITY.
E: Ear infections in children, emotional problems in children, emphysema, esophogeal cancer
F: Facial wrinkles, fertility problems, fires, foot lesions in diabetics.
G: Gastro-esophogeal reflux(?), genetic damage, gum disease.
H: Halitosis, HEARING LOSS, heartburn, heart disease, high blood pressure, hot flashes in pre-menopause, hyperactivity in children.
I: Impotence, infant limb defects, iron overload
J: Jittery nerves
K: Kidney cancer, KNEE REFLEX DEPRESSION
L: Laryngeal cancer, learning disabilities, lip cancer, liver cancer, low birth weight, lung cancer.
M: Macular degeneration, memory loss in elderly, MENSTRUAL CYLE DISRUPTION, miscarriage, musculskeletal pain, myocardial infarction
N: nasopharyngeal cancer, neurological disorders in children, nicotine addiction, NIGTMARES, nutritional deficiencies
O: OCCUPATIONAL ACCIDENTS, oral cancer, OSTEOPOROSIS
P: Pancreatic cancer, physical weakness, pneumonia, premature aging, premature birth, PROSTATE CANCER, pulmonary disease
Q: QUEASY STOMACH
R: RECTAL CANCER, renal disease, respiratory disease, retardation, rheumatoid arthritis
S: shortness of breath, SLEEP DEPRIVATION, sperm abnormalities, stillbirth, stomach cancer, stroke, SIDS
T: throat cancer, thyroid function changes, tongue cancer, TOOTH DECAY IN CHILDREN, tracheal cancer
U: Ulcers (peptic)
V: Vascular abnormalities, VISION LOSS
W: Warthin's tumor, weakened immune system
X: Xerostomia (dry mouth), X-ray abnormalities
Y: Yellow teeth
Z: ZITS (!)

The entire document can be found at:
http://www.state.de.us/dhss/irm/dph/plan.htm
It's a 40 page pdf file.

ADDENDUM-- items from other sources, not included in the Delaware list: Depression, children with disciplinary problems, criminally inclined offspring, divorce, aging, cardiovascular disease, suicide, child abuse, MENINGITIS, BLINDNESS. And now CDC is correlating smoking with Schizotypal and Borderline Personality Traits, and many others, on and on.