1. Pre-Birth Exposure to 1918 Flu Raised Heart Risks, Study Finds - US News and World Report
Whether same will hold true for current H1N1 strain remains a mystery

2. Middle-Age Heart Risk Factors Shorten Men's Lives - US News and World Report
Smoking, hypertension, high cholesterol cut 10 years of life, study finds

3. The flu : Causes, incidence, and risk factors  (Trust Mark: Doctor-Reviewed)
In temperate climates, influenza A usually arrives between early winter and early spring. Influenza B can appear at any time of the year. The most common way to catch the flu is by breathing in droplets from coughs or sneezes. Less often, it is sp...• Reviewer: Linda Vorvick, MD, Family Physician, Seattle Site Coordinator, Lecturer, Pathophysiology, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine; and David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

4. Influenza  (Trust Mark: Doctor-Reviewed)
Usually referred to as the flu or grippe, influenza is a highly infectious respiratory disease caused by certain strains of influenza virus. When the virus is inhaled it attacks cells in the upper respiratory tract causing typical flu symptoms suc...• Author: L. Fleming Fallon Jr., M.D., Dr.P.H.