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A scanning electron micrograph of blood from someone with iron deficiency anaemia, showing irregularly-shaped, small red blood cells

Almost 40 per cent of US girls and young women have low iron levels

27 June 2023

Rising rates of vegetarianism and veganism may be causing iron deficiency, a condition that also commonly occurs due to heavy periods


US proposes to ease blood donor restrictions on gay and bisexual men

US proposes to ease blood donor restrictions on gay and bisexual men

30 January 2023

The US Food and Drug Administration has proposed changing the screening process for blood donations so that they measure an individual's risk, rather than exclude people based on their sexual orientation or gender


Okra partly sliced up on a chopping board

Gel made from okra stops bleeding in damaged hearts

11 October 2022

A sticky, biodegradable gel made from okra can stem bleeding in injured organs in dogs and rabbits


A scanning electron microscopy and computer generated image of DNA molecules and red blood cells

Gene therapy trial shows early success in people with haemophilia B

21 July 2022

In a small study of 10 people with haemophilia B, nine were still forgoing the condition's standard treatment about two years after receiving a single gene therapy injection


Graphene tattoo

Temporary graphene tattoos could continuously monitor blood pressure

20 June 2022

A temporary graphene tattoo that monitors blood pressure has been awarded the highest possible accuracy grading for such a monitoring device


Blood clot, 3d illustration. Inset: Miniature helical robot

Corkscrew-shaped robot swims through blood vessels to clear blockages

10 January 2022

Laboratory tests show a tiny robot with a helical propeller inspired by bacteria can swim through veins and deliver clot-busting drugs


Computer illustration of Bacillus subtilis bacteria. B. subtilis, or the Hay bacillus, is an aerobic, rod-shaped, Gram-positive bacteria.

Probiotics may prevent bacterial infection of the blood in mice

24 November 2021

Feeding mice a probiotic of harmless bacteria helps prevent harmful microbes entering the blood where they could build up and potentially cause a condition called sepsis


blood spatter

Explosive gas from a gun can mask crime scene blood spatter patterns

20 April 2021

In close-range shootings, blood droplets can spatter back towards the shooter – but vortices of gas from the fired gun can potentially prevent them landing on the shooter’s clothes


Size comparison of a microneedle patch used to extract interstitial fluid versus a hypodermic needle used to obtain blood samples.

The fluid in between your cells could help reveal health problems

25 November 2020

The liquid between your cells accounts for around a quarter of all of your bodily fluids. A patch consisting of tiny needles could monitor this liquid to check for health conditions like diabetes


Electronic blood vessel

Electronic blood vessels could replace damaged arteries

1 October 2020

Electronic blood vessels made from a combination of metal and plastic could be used to replace arteries damaged by cardiovascular disease


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