What Does Being Healthy Mean? Everyone wants to be healthy but what does that look like? In simple terms, you are healthy if your body is in homeostasis. So what does that mean? Think of this word as “stable home”. Your body is your “home”. In order to function properly, it must maintain stable conditions even though the outside […]
What is Gram Staining? This Gram staining lab is a method developed by the Danish Scientist Hans Christian Gram in 1884 to distinguish two types of bacteria based on the structure of their cell wall. Gram-positive bacteria stain purple because of its thick peptidoglycan layer in the cell wall. Gram-negative bacteria will stain pink due […]
Every moment, our immune system is under attack by various foreign agents we call antigens. These include bacteria, viruses, fungi, and toxins. How does the immune system stand up to attack? In this article, I will explain how the immune system works. First, let’s look at the anatomy of the immune system and then talk […]
The goal of food safety management systems like HACCP is to reduce hazards to safe levels or to eliminate them where possible. Hazards may be biological, chemical or physical. Of these, biological hazards pose the greatest risk to food safety. Immuno-compromised individuals such as pregnant women, the sick, babies, and the elderly are particularly susceptible to foodborne injury. […]
