Polycythemia vera occurs when a mutation in a bone marrow cell causes a problem with blood cell production. Normally, your body carefully regulates the number of each of the three types of blood cells you have.
Confidence votes 2.4K. Some healthy foods are the same as the ones that generations of school children have been told are good for them. Eat quality protein, beneficial fats and oils, fresh vegetables, fresh fruits and you can't go wrong.(Eat organic foods whenever possible.) Here are some examples of healthy foods: Also beneficial fats and oils (these are essential for health and to sustain life).  Healthy foods are not things like Taco Bell or McDonalds, or any  other fast foods, which have unhealthy preservatives. Don't let  their signs fool you. This is the type of M.S.G., hydrogenated oil,  aspartame, processed food that can damage your health.
A Healthy Diet Includes Seafood. Seafood is a healthy food choice, providing key nutrients and healthy protein for everyone from infants to adults. Seafood supplies the nutrients essential for strong bones, brain development, and healthy immune and cardiovascular systems. Seafood is: A good source of high-quality protein; A good source of long chain omega-3 fatty acids