Type IV hypersensitivity (cell-mediated) – causes, symptoms, treatment & pathology

Having a hypersensitivity means that someone’s immune system has reacted to something in such a way that it ends up damaging them, as opposed to protecting them. There are four different types of hypersensitivities, and in the fourth type or type 4, the reactions are caused by T lymphocytes, or T cells, and so type […]

3 Baffling Depression Treatments and Why They Might Work

[ ♪ INTRO ] As many as one-fifth of people experience depression at some point in their lives. Thankfully, for most, antidepressants and psychotherapy can reduce symptoms dramatically. But they don’t work for everyone. So doctors and scientists have been looking for ways to help people with treatment-resistant depression. And they seem to have found […]

New Cystic Fibrosis Treatment a “Game-Changer” | SciShow News

{♫Intro♫} 30 years and two months ago—on September 8, 1989—researchers published three papers describing the gene responsible for cystic fibrosis. It was a huge breakthrough, and one they hoped would lead to a reliable treatment in no time. Well, it wasn’t “no time”, but the discovery has finally led to a drug that dramatically improves […]

Intro to Drinking Water Treatment | DelftX on edX | Course About Video

SPEAKER 1: The Netherlands, sometimes better known as Holland, where the Dutch live, work and study. Holland, a country with many rivers and lakes, which obviously means a lot of water. Water for transport, water for sailing. The Dutch are very familiar with water. Naturally, water is also needed worldwide for drinking. Preferably, healthy water. […]

Treating groundwater for drinking | Education resources | Water Corporation

Water Corporation is the main provider and supplier of water, wastewater and drainage services in Western Australia. It helps to ensure we have enough drinking water for the future by developing new sources, increasing water recycling and encouraging efficient water use. We know that the water we use in our homes, schools and businesses is […]