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New way to grow blood vessels could boost regenerative medicine

Growing tissues and organs in the lab for transplantation into patients could become easier after scientists discovered an effective way to produce three-dimensional networks of blood vessels, vital...

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Why the FDA should lift the blood donation ban on sexually active gay men

On June 12, following the mass shooting at Pulse, a gay dance club in Orlando, Florida, sexually active gay men were denied the chance to donate blood to members of their community, because of the...

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Zika's potential threat to world blood supply deserves study—and action

Blood safety researchers say it is highly likely that the mosquito-borne Zika virus can be transmitted through blood transfusions and are calling for an evidence-based approach to protecting the blood...

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Scientists create 'guided chemotherapy missiles' that target cancer cells and...

There's a good, bad and ugly to cancer chemotherapy. The good is that the drugs do often effectively kill cancer cells. The bad is that the drugs also damage other quickly dividing cells in the body,...

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Canada reduces waiting period for gay men to donate blood

Canada on Monday loosened requirements for gay men who want to donate blood, reducing the compulsory period of sexual abstinence from five years to one year.

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Overcoming barriers in the quest to starve tumors of blood supply

One of the most exciting strategies researchers are pursuing for fighting cancer is to cut off the blood supply of cancerous cells. However, many initially-promising therapies have failed in part...

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Study reveals brain's finely tuned system of energy supply

New research out today in the journal Neuron reveals how the brain is able to meet its massive energy demands with a "just in time" system that delivers oxygen that fuels nerve cells. The findings...

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Keeping cells in shape to fight sepsis

Boosting levels of a protein that controls the shape and activity of a crucial group of white blood cells improves survival and recovery chances during sepsis.

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Stiff arteries linked with memory problems, mouse study suggests

As we age, our arteries gradually become less flexible, making it harder for the heart to pump blood throughout the body. This hardening of the arteries occurs faster in people with high blood pressure...

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US urges all donated blood undergo tests for Zika

Donated blood should be tested for the Zika virus, which can cause birth defects, US regulators warned Friday amid a mounting outbreak of the mosquito-borne virus in the United States.

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NYU dental researcher to study 'mitochondrial permeability transition'

Stroke and heart attack are severe medical conditions that affect millions of people worldwide. They occur when blood supply to the tissue is interrupted. This lack of blood supply can cause extensive...

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Researchers discover new path to stop the spread of cancer

Investigators from the Research Institute of the McGill University Health Centre (RI-MUHC), and the Institute of Cancer Research, London (UK), have discovered that some cancer cells can draw blood from...

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What we know about perineal tearing, and how to reduce it during childbirth

A common fear women have when contemplating having a baby is whether the birth will tear the tissues between the vagina and anus, also known as the perineum. How can something as big as a 3.5kg baby...

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Cut dietary omega 6 and boost omega 3 to curb soaring obesity rates, urge...

Governments and international bodies should ditch their obsession with calories and energy expenditure to curb soaring obesity rates, and instead focus on restoring the correct balance of omega 6 and...

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US blood system faces financial and biological threats, study finds

Medical advances have reduced the demand for blood in the United States, creating financial pressure on the nation's blood collection centers and threatening their future survival, according to a new...

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How brain tissue recovers after injury

A research team led by Associate Professor Mitsuharu ENDO and Professor Yasuhiro MINAMI (both from the Department of Physiology and Cell Biology, Graduate School of Medicine, Kobe University) has...

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Research could lead to blood test to detect Creutzfeldt-Jakob disease

The detection of prions in the blood of patients with variant Creutzfeldt-Jakob disease could lead to a noninvasive diagnosis prior to symptoms and a way to identify prion contamination of the donated...

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Cancer cells' transition can drive tumor growth, researchers find

As cancerous tumors fester in the body, they need an ever-increasing blood supply to deliver the oxygen and nutrients that fuel their growth. Now, a team led by University of Florida Health researchers...

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Uncertainty in blood supply chains creating challenges for industry

When we talk about supply chains, we may conjure up images of manufacturing plants, warehouses, trucks and shipping docks. There is another, truly unique supply chain for a product vitally important to...

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Connection between renal failure and 'bad' mitochondria described

Biologists of the Lomonosov Moscow State University have suggested an approach to prevent kidney injury after ischemia. Moreover, the scientists explain why these mechanisms become non-protective in...

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U.S. blood supply safe from Zika virus, officials say

(HealthDay)—U.S. blood banks are confident they have the tools to protect America's blood supply from possible new Zika virus outbreaks during the upcoming mosquito season.

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Saving lives in poor countries is about adapting to what's already working there

Each year, 5.9 million children under the age of five die, mostly from preventable causes. That's more than 16,000 children every day – and more than 8,000 of these are deaths that could have been...

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How research into supply chains will help you take care of yourself

Researchers are working with pharmaceutical companies to make improvements across the whole supply chain, from how a pill is made to the moment it is swallowed by the patient.

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Study identifies gene—and drug target—involved in inflammation after injury

During a stroke or organ transplant, patients can suffer an injury due to lack of blood supply to vital organs. The injury—known as ischemia reperfusion—can cause damage to tissues. But a new Yale-led...

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Study offers insights on how to decrease the discard rate of donated organs

A new study indicates that many donated organs that are discarded might be suitable for transplantation if certain steps are taken to limit damage following donation. The findings appear in an upcoming...

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Study of heart stents for stable angina highlights potential of placebo effect

Coronary artery stents are lifesaving for heart attack patients, but new research suggests that the placebo effect may be larger than previously thought.

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Fewer heart surgery patients may have to be exposed to blood transfusions,...

Not as many heart surgery patients may need to be exposed to the potential dangers of blood transfusions, according to a new study that researchers say may change current practice.

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Understanding and preventing gangrene

Dear Mayo Clinic: I have heard that a stubbed toe can lead to gangrene in some individuals. Is that true? What are the signs of gangrene, and how can it be avoided?

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Study reveals Viagra to be 'ineffective' for fetal growth restriction

A University of Liverpool led international clinical trial has found an anti-impotence drug to be ineffective at improving outcomes for pregnancies complicated by fetal growth restriction.

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Mental stress-induced constricted blood vessels more likely in women

In women with heart disease, constriction of peripheral vessels during mental stress affects the heart circulation more than men's, potentially raising women's risk of heart-related events and death,...

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