There's no such thing as a negative blood type. Your A positive, B positive, etc. So something may be wrong there, unless you consider a blood type you're not as negative. Then in that case you may need to reword the question.
To figure out the best diet for your blood type, you would have to figure out what letter blood type you have not the negative or positive. To find out which blood type you have, you can go to Walgreens to purchase a blood test.
It really depends on the type of disorder you have. You can get information on blood type diets at http://www.dadamo.com/. You can find more information at http://www.webmd.com/diet/eat-right-for-your-type
People with Type A Positive and Type A negative blood do best on a vegitarian diet, and a low stress life style. You can find out more about imformation on the "Blood Type Diet" online at Livestrong.Com article DIET FOR BLOD TYPE A POSITIVE.
You can find a chart and information on the blood type diet at http://www.drlam.com/blood_type_diet/blood_o.asp. It's recommended to eat a diet high in fish. You can find a profile at http://www.dadamo.com/bloodtype_O.htm
The American Red Cross can give you most of the information you need. They have all the information on blood typing and diets needed for a healthy lifestyle.
You can find more information about the sonoma diet. You can find this information at www.sonomadiet.com/ and www.webmd.com/diet/the-sonoma-diet. These are great resources for information.
When we are thinking about negative and positive blood types, we are referring to the RH factor. Individuals with negative blood types may have certain characteristics such as extra vertebra and lower body temperatures.
Your RH factor is what determines if your blood type is positive or negative. This factor helps determine who can safely recieve your blood from a transfusion, or what blood types you can safely recieve. northernohio.redcross.org has information on what bloodtypes can safely be mixed from transfusions and other data in their information section.
You can check the website medicinenet.com to learn how to find the right diet for your different blood type that has different recipes for the blood types that are different.
Yes, your diet should depend on your blood type. You can find more information at this link: http://www.weightlossresources.co.uk/diet/blood_group_diet.htm.
The blood type diet is designed to better educate you, based on your blood type, on certain health factors that may impact your ability to lose weight. For more information, you can visit the official website at http://www.dadamo.com/
There are several great resources about DASH diets. The website dashdiet.org has great information as well as recipes. Dash diet reduces blood pressure.