Pollution refers to the introduction of harmful materials into the environment. These harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash. They can also be created by human activity, such as trash or runoff produced by factories. Pollutants damage the quality of air, water, and land. Major forms of pollution […]
A printer refers to a hardcopy peripheral device which can create human-readable representations of graphics or text on paper or other physical media. In 2019, there were 94.35 million units of hardcopy peripherals, including printers, copiers, and multifunctional systems, shipped worldwide. While printers are now mostly used in computing and information technology, recent years have […]
Coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus. Since the World Health Organization (WHO) declared the COVID-19 outbreak a pandemic back in March 2020, the virus has claimed around 3 million lives globally. The pandemic has impacted almost every corner of life, causing global economies to stall, changing the […]
Xanax is a brand of Alprazolam, a benzodiazepine that works by enhancing the activity of certain neurotransmitters in the brain. Xanax is used to treat anxiety disorders and anxiety caused by depression. Xanax is also used to treat panic disorders with or without a fear of places and situations that might cause panic, helplessness, or […]
Rabies is a viral illness spread via the saliva of an infected animal by the rabies virus (genus Lyssavirus). Rabies exposure occurs usually through biting a human or another infected animal. Transmission can also occur through saliva touching an open wound or touching mucous membranes. Rabies is a vaccine-preventable, zoonotic, viral disease. Once clinical symptoms appear, […]
Shingles is a viral infection that causes a painful rash. Although shingles can occur anywhere on your body, it most often appears as a single stripe of blisters that wraps around either the left or the right side of your torso. Shingles is caused by the varicella-zoster virus — the same virus that causes chickenpox. […]
Public health is defined as the science of protecting the safety and improving the health of communities through education, policy making and research for disease and injury prevention. The definition of public health is different for every person. Whether you like to crunch numbers, conduct laboratory or field research, formulate policy, or work directly with […]
Communicable diseases are those that spread by an infectious agent, such as bacteria, viruses, fungi or parasites. Most of these diseases can be passed from person to person so the words “contagious” or “infectious” are often used when talking about communicable diseases. Some communicable disease spread though the air. Others require direct contact with a […]
Scorpions are predatory insects that have eight legs, and are easily recognized by a pair of grasping pincers and a narrow, segmented tail, often carried in a characteristic forward curve over the back and always ending with a stinger. They are closely related to spiders, mites and ticks. There are about 1,200 scorpion species in […]
Mesothelioma is a rare type of cancer (malignancy) that most frequently arises from the cells lining the sacs of the chest (the pleura) or the abdomen (the peritoneum). Pleural mesothelioma is the most common form, often becoming apparent with symptoms in the chest area such as chest pain, cough, and/or shortness of breath. Shortness of […]
