The heart is one of the most important organs in the body as it delivers oxygenated blood (blood exposed to oxygen from the lungs) to our cells, allowing them to respire and release energy. This lets us move around and survive. The heart consists of many parts which work together to make it perform efficiently. … Continue reading The Heart
How can doctors monitor and assess a patient’s head injury to see what’s the best course of action to take? How can they know what problem is going on in a patient’s abdomen without having to use invasive forms of surgery? How can they better understand about a patient’s mind from a neuroscientific aspect? The … Continue reading What is MRI?
Surgery is a growing field. New technologies and methods for carrying out procedures are constantly evolving, making surgery much more safer and result in higher success rates. However, in the past, this wasn't at all the case. All aspects of medicine weren't as advanced and were completely different, including surgery. Anaesthesia wasn’t even around until … Continue reading The History of Surgery
Viruses can harm us, one example being COVID-19. This is because viruses can not replicate or live by themselves. So they insert themselves into host cells (our cells) and use the host’s organelles and machinery to replicate. Once replicated, they burst out of the cell by cytolysis, killing the cell in the process. As a … Continue reading How viruses help kill bacteria.
Immunotherapy is a developing form of treatment for cancer and is becoming more effective as more clinical trials are undertaken. However, there are some drawbacks to these vaccines that need to be resolved in order to make immunotherapy an accepted treatment. Photo Credit: Forbes There are two types of anti-cancer vaccines: preventative and therapeutic. Preventative … Continue reading Anti-cancer vaccines
Superbugs are supervillains. They have become a huge threat to our society and the World Health Organisation estimates that they will become the global leading cause of death by 2050. Clearly this is a growing problem! ‘Superbugs’ is a colloquial term for bacterial cells that have developed resistance to antibiotics. They are becoming increasingly common … Continue reading Superbugs: not the giant beetle but the powerful bacterium.
Regeneration always reminds me of the Doctor in Doctor Who. He (or she, in most recent episodes) has the ability to regenerate into a different person altogether. Unfortunately, the Doctor is an alien and a fictional character. So we are far from having this ability. However, regeneration can be in the form of regrowing limbs. … Continue reading Regeneration. Science-fiction?
The instant of the Big Bang gave birth to hydrogen, helium and a small amount of lithium. Hydrogen and helium are the main elements that fuse to give stars their heat, energy and intrinsic brightness. When discussing matters of cosmology I may have neglected lithium slightly. Lithium is one of the oldest elements in the … Continue reading Where Did All The Lithium Go?
Norovirus is also known as the winter vomiting bug as it is more common in the winter months but it can occur at any time of the year. Before being called Norovirus is was called Norwalk Agent after the place it was first identified, Norwalk, Ohio. In 1968 an acute gastroenteritis outbreak occurred in the … Continue reading Norovirus – A Tummy-turner of a Virus