Featured series 
Tag: blood
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Campus & Community
Coffee gets cleared of blood pressure risk
Harvard researchers set out to test the idea that a lot of coffee isn’t good for your circulation. They followed 155,000 female nurses for 12 years, questioning them regularly about…
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Health
Stroke patients with mild symptoms may still need clot- dissolving drug
“Our primary finding was that about 30 percent of those patients judged ‘too good to treat’ either died or were discharged to a rehabilitation facility,” says Eric Smith, MD, FRCPC,…
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Health
High blood glucose levels in early pregnancy may deprive embryo of oxygen
Research appearing in the October 2005 issue of the American Journal of Physiology: Endocrinology and Metabolism suggests that high blood glucose levels early in pregnancy deprive the embryo of oxygen,…
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Campus & Community
A new look at anemia
Leonard Zon and his colleagues at the Harvard Medical School were trying to find out how hemoglobin forms by studying zebrafish, small piscians whose transparent bodies allow their inner workings…
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Health
Blood vessel drugs halt cancer growth
After decades of surviving peer rejection of his theory of cancer treatment by blocking tiny blood vessels, Judah Folkman has gone on to develop drugs that did what he predicted…
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Health
Blood test can accurately diagnose heart failure in emergency patients
“We found that testing with the NT-proBNP assay was an extremely accurate way to identify or exclude heart failure in patients with shortness of breath,” says James Januzzi Jr., M.D.,…
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Campus & Community
Simple test predicts heart attack
White cell counts can be easily measured by inexpensive, widely available tests, raising the possibility of lowering the toll of heart disease fatalities, the leading cause of death among women…
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Campus & Community
Probing inappropriate rage
As 30 research subjects seethed, scientists measured blood flowing between the thinking and emotional parts of their brains. What would be the difference between people who controlled their anger pretty…
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Health
Many have ‘cancer,’ but few progress to true disease
Folkman and Kalluri suggest that most tumors don’t develop a blood supply that allows them to grow and progress to cancer, because people produce natural inhibitors of blood vessel growth,…
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Campus & Community
C-reactive protein, high blood pressure linked
Researchers from Harvard Medical School and Harvard-affiliated Brigham and Women’s Hospital found a strong link between levels of C-reactive protein in the blood and the future development of high blood…
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Health
Researchers boost blood cancer fight
Working with colleagues at the University of Rochester School of Medicine, Harvard researchers found that giving mice a hormone known for building bones increased their production of blood stem cells.…
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Health
Close interaction seen between blood vessel development and fat tissue formation
Findings from researchers at Massachusetts General Hospital could eventually help to solve problems ranging from cancer, to obesity, to the development of replacement organs. The findings involve the key physiological…
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Health
Longer life for blood
Blood platelets, which are transfused into those who lose too much blood from wounds, major surgery, or cancer treatments, can be kept for only five days. Then they must be…
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Health
Risk of stroke from obesity is now measurable
While it has been suspected for some time that being overweight could potentially increase a person’s chances of a stroke, a study published in the Dec. 9, 2002, issue of…
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Health
New device documents clot formation in living mice
In the October 2002 issue of the journal Nature Medicine, Bruce and Barbara Furie, both Harvard Medical School professors of medicine at Beth Israel Deaconess Medical Center, reportrf on the…
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Health
Medical student engineers protein to dissolve blood clots
Heart attacks and strokes are caused by blood clots called thrombi that block blood flow in the arteries of the heart and of the brain. Body tissues become deprived of…
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Health
Diabetes treatment linked to increased blood pressure
Type II diabetes accounts for the majority of cases of the disease, and is a huge public health problem: As many as 16 million individuals in the United States have…
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Health
Early administration of clot-buster drug may improve outcome for heart attack patients
The immediate goal of the treatment of heart attack patients is reperfusion, or the swift opening of the blocked artery and the restoration of blood flow to the heart muscle.…
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Health
One in five women iron deficient, many children also at risk
Iron-deficient anemia reduces the oxygen-carrying capacity of red blood cells, thus decreasing energy and endurance. When there is not enough iron, the red blood cells are not able to produce…
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Health
Cell surface proteins can have pro- and anti-angiogenic face
Angiogenesis is the process by which cancer tumors develop a network of blood vessels to feed them, so that they may continue their growth. The strategy that cancer cells use…
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Health
Researchers explain how protein inhibits growth of blood vessels
Thirty years ago, Judah Folkman, of Children’s Hospital Boston and Harvard Medical School, first developed the idea that cancerous tumors are dependent on the growth of small blood vessels. Since…
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Health
Sickle cell disease cured in mouse model
Sickle cell disease is a blood disorder caused by a single mutation in the beta-globin gene that results in the substitution of one amino acid. This small error is enough…
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Health
Cardiovascular risks seen from marathon running
Researchers analyzed the blood of marathon runners less than 24 hours after they had finished a race. They found abnormally high levels of inflammatory and clotting factors of the kind…