The emergence and spread of virulent strains of avian influenza has been attributed by experts to the intensely overcrowded, unsanitary, and stressful conditions that often characterize large-scale factory farming in industrialized agriculture.
You can actually take people with these precancerous lesions, and basically paint black raspberries on them, and they nearly vanish.
Among identical twins who have the exact same genes, one may die early of a heart attack and the other may live a long, healthy life - depending on their lifestyle and what they eat.
A good way to adjust to a healthier diet is to think of three meals you enjoy that are largely plant-based. Pasta with tomato sauce can be tweaked to whole-grain pasta with added vegetables.
Tobacco smoke contains chemicals that weaken the body's immune system, making it more susceptible to disease and handicapping its ability to destroy cancer cells.
Though pigs have been proven susceptible to a porcine spongiform encephalopathy, the National Pork Producers Council claims that no naturally occurring cases of 'mad pig' disease have ever been discovered.