Each 2.54 square centimetre (a square inch) of human skin has six metres (20ft) of blood vessels. Veins hold about 65 per cent of the body's blood and have one-way valves tohelp blood move.

All blood vessels are specifically structured to perform their function. For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope ...

It started as a respiratory illness—or so everyone thought. But it quickly became apparent that SARS-CoV-2, the virus that causes COVID-19, was so much more.

There is an English idiom that suggests that food may be a way to win a man’s affection — what you eat has an effect on how ...

Microplastics pose a threat to heart health, causing harmful changes in vascular cells and increasing the risk of ...

Understanding the connection between menopause and heart health is crucial for making informed choices. A proactive approach can help mitigate risks, but first, it’s essential to grasp how the body ...

Cold weather can have a variety of effects on the heart and blood vessels. Cold temperatures constrict blood arteries and ...

Previously, researchers studied the effects of snake venom on blood vessels by using cultured endothelial cells, the cells that make up the wall of vessels. However, these so-called static models fail ...

Stress activates the ‘fight or flight’ response which increases heart rate and constricts blood vessels. When this system gets activated repeatedly, it can lead to high blood pressure ...